| 00 | Triode Detector - Gas |
| 00A | Triode Detector |
| 0A2 | Voltage Regulator |
| 0A2WA | Voltage Regulator |
| 0A3 | Voltage Regulator |
| 0A3A | Voltage Regulator |
| 0A4 | Gas Triode Starter-Anode type |
| 0A4G | Gas Triode Starter-Anode type |
| 0A5 | Diode - Pentode |
| 0B2 | Voltage Regulator |
| 0B2WA | Voltage Regulator |
| 0B3 | Voltage Regulator - Gas |
| 0B3/VR90 | Voltage Regulator - Gas |
| 0B3A | Voltage Regulator - Gas |
| 0C2 | Voltage Regulator - Gas |
| 0C3 | Voltage Regulator - Gas |
| 0C3/VR105 | Voltage Regulator - Gas |
| 0C3A | Voltage Regulator - Gas |
| 0C3W | Voltage Regulator - Gas |
| 0D3 | Voltage Regulator - Gas |
| 0D3/VR150 | Voltage Regulator - Gas |
| 0D3A | Voltage Regulator - Gas |
| 0D3W | Voltage Regulator - Gas |
| 0E3 | Voltage Reference Tube |
| 0G3 | Voltage Reference Tube |
| 0Y4 | Gas Diode |
| 0Y4G | Gas Diode |
| 0Z3 | Full-Wave Cold-cathode-rectifier |
| 0Z4 | Full-Wave Gas Rectifier |
| 0Z4A | Full-Wave Gas Rectifier |
| 0Z4G | Full-Wave Gas Rectifier |
| 1 | Half-Wave Rectifier |
| 01A | Triode Detector - Amplifier |
| 1A1 | Current Regulator |
| 1A3 | Diode |
| 1A4 | Remote Cutoff Tetrode |
| 1A4P | Remote Cutoff Pentode |
| 1A4T | Remote Cutoff Tetrode |
| 1A5G | Pentode Power Amplifier |
| 1A5GT | Pentode Power Amplifier |
| 1A5GT/G | Pentode Power Amplifier |
| 1A6 | Pentagrid Converter |
| 1A7 | Pentagrid-Converter (Heptode) |
| 1A7G | Pentagrid Converter |
| 1A7GT | Pentagrid Converter |
| 1A7GT/G | Pentagrid Converter |
| 01AA | Triode Detector - Amplifier |
| 1AB5 | Pentode |
| 1AB6 | Pentagrid Converter |
| 1AC5 | Power Pentode |
| 1AC6 | Pentagrid Converter |
| 1AD2 | Half-Wave Rectifier |
| 1AD2-A | Half-Wave Rectifier |
| 1AD4 | Sharp-Cutoff RF/AF Pentode |
| 1AD5 | Sharp Cutoff RF Pentode |
| 1AE4 | Sharp-Cutoff RF Pentode |
| 1AE5 | Heptode Mixer |
| 1AF4 | Sharp-Cutoff Pentode |
| 1AF5 | Diode - Pentode |
| 1AF33 | Diode-Pentode |
| 1AF34 | Diode-Pentode |
| 1AG4 | Power Pentode |
| 1AG5 | Diode-Pentode |
| 1AH4 | RF Pentode |
| 1AH5 | Diode - Sharp-Cutoff AF Pentode |
| 1AJ2 | Diode |
| 1AJ4 | Remote Cutoff RF Pentode |
| 1AJ5 | Diode Sharp-Cutoff Pentode |
| 1AK4 | Sharp-Cutoff RF Pentode |
| 1AK5 | Diode Sharp-Cutoff Pentode |
| 1AM4 | Remote-Cutoff RF Pentode |
| 1AN5 | Variable Mu Pentode |
| 1AQ5 | Pentagrid Converter |
| 1AR5 | Diode Sharp-Cutoff Pentode |
| 1AS5 | Diode Sharp-Cutoff Pentode |
| 1AU2 | Diode |
| 1AU3 | Diode |
| 1AX2 | HV Half-Wave Rectifier |
| 1AY2 | Half-Wave Rectifier |
| 1AY2A | Half-Wave Vacuum Rectifier |
| 01B | Triode Detector - Amplifier |
| 1B1 | Current Regulator |
| 1B3GT | HV Half-Wave Rectifier |
| 1B4 | Pentode Amplifier |
| 1B4/951 | Pentode Amplifier |
| 1B4G | Pentode Amplifier |
| 1B4P | Sharp Cutoff RF Pentode |
| 1B4T | Pentode Amplifier |
| 1B5 | Twin Diode - Medium Mu Triode |
| 1B5/25S | Twin Diode - Medium Mu Triode |
| 1B6 | - |
| 1B7G | Pentagrid Converter |
| 1B7GT | Pentagrid Converter |
| 1B7GT/G | Pentagrid Converter |
| 1B8 | Diode -Triode - Beam Power Amplifier |
| 1B8GT | Diode -Triode - Beam Power Amplifier |
| 1B22 | SPECIAL TUBE, other or unknown |
| 1B24 | TR-switch |
| 1B47 | Voltage Regulator, single |
| 1B48 | Cold Cathode Rectifier |
| 1BC2 | Half-Wave Rectifier |
| 1BC2-A | Half-Wave Rectifier |
| 1BC2A | Half-Wave Vacuum Rectifier |
| 1BC2-B | Half-Wave Rectifier |
| 1BC2B | Damper, booster, flyback diode |
| 1BG2 | - |
| 1BH2 | Half-Wave Rectifier |
| 1BH2-A | Half-Wave Rectifier |
| 1BK2 | Half-Wave Vacuum Rectifier |
| 1BL2 | Half-Wave Vacuum Rectifier |
| 1BQ2 | Half-Wave Vacuum Rectifier |
| 1BV2 | Half-Wave Vacuum Rectifier |
| 1BX2 | Half-Wave Vacuum Rectifier |
| 1BY2 | Diode |
| 1BY2-A | Diode |
| 1BY2A | Half-Wave Vacuum Rectifier |
| 1C1 | Pentagride Frequency Changer |
| 1C2 | - |
| 1C3 | Medium-Mu Triode |
| 1C4 | Tetrode |
| 1C5G | Power Pentode |
| 1C5GT | Power Pentode |
| 1C5GT/G | Power Pentode |
| 1C6 | Pentagrid Converter |
| 1C7G | Pentagrid Converter |
| 1C8 | Pentagrid Converter |
| 1D1 | Current Regulator, Urdox with FeH |
| 1D2 | Current Regulator |
| 1D3 | Low-Mu High Frequency Triode |
| 1D4 | Vacuum Pentode |
| 1D4G | Power Amplifier Pentode |
| 1D4GT | Power Amplifier Pentode |
| 1D5G | Remote Cutoff Pentode |
| 1D5GP | Remote Cutoff RF Pentode |
| 1D5GT | Remote Cutoff RF Tetrode |
| 1D6 | High-vacuum Rectifier |
| 1D7G | Pentagrid Converter |
| 1D8GT | Diode - Triode - Power Pentode |
| 1D13 | RF Diode |
| 1D21 | Strobotron |
| 1DG3 | Diode |
| 1DG3-A | Diode |
| 1DG3A | Half-Wave Vacuum Rectifier |
| 1DN5 | Diode - Semi Remote Cutoff Pentode |
| 1DY4 | Triode |
| 1DY4A | Triode |
| 1E1 | Current Regulator |
| 1E2 | Current Regulator |
| 1E3 | High-Frequency Medium-Mu Triode |
| 1E4 | Medium-Mu Triode |
| 1E4G | Medium-Mu Triode |
| 1E4GT | Medium-Mu Triode |
| 1E5G | Sharp Cutoff Pentode |
| 1E5GP | Sharp Cutoff Pentode |
| 1E5GT | Sharp Cutoff Pentode |
| 1E7G | Twin Power Pentode |
| 1E7GT | Twin Power Pentode |
| 1E8 | Pentagrid Converter |
| 1F1 | Current Regulator |
| 1F2 | - |
| 1F3 | Variable Mu RF Pentode |
| 1F4 | Power Pentode |
| 1F5G | Power Pentode |
| 1F6 | Twin Diode - Sharp Cutoff Pentode |
| 1F7G | Twin Diode - Sharp Cutoff Pentode |
| 1F7GH | Twin Diode - Sharp Cutoff Pentode |
| 1F7GT | Twin Diode - Sharp Cutoff Pentode |
| 1F7GV | Twin Diode - Sharp Cutoff Pentode |
| 1F7GY | Twin Diode - Sharp Cutoff Pentode |
| 1F33 | Vacuum Pentode |
| 1F34 | Vacuum Pentode |
| 1FD1 | - |
| 1FD9 | Diode RF Pentode |
| 1G1 | Current Regulator |
| 1G3 | HV Half-Wave Rectifier |
| 1G3GT | HV Half-Wave Rectifier |
| 1G3GT/1B3GT | HV Half-Wave Rectifier |
| 1G3-GTA | HV Half-Wave Rectifier |
| 1G3GTA | Half-Wave Vacuum Rectifier |
| 1G4G | Medium Mu Triode |
| 1G4GT | Medium Mu Triode |
| 1G4GT/G | Medium Mu Triode |
| 1G5G | Power Pentode |
| 1G5GT | Power Pentode |
| 1G5GT/G | Power Pentode |
| 1G6G | Twin Triode Power Amplifier |
| 1G6GT | Medium-Mu Triode |
| 1G6GT/G | Medium-Mu Triode |
| 1G50 | - |
| 1H2 | - |
| 1H4G | Medium Mu Triode |
| 1H4GT | Medium Mu Triode |
| 1H5 | Diode - High Mu Triode |
| 1H5G | Diode - High Mu Triode |
| 1H5GT | Diode - High Mu Triode |
| 1H5GT/G | Diode - High Mu Triode |
| 1H6G | Twin Diode - Medium Mu Triode |
| 1H6GT | Twin Diode - Medium Mu Triode |
| 1H33 | Pentagrid |
| 1H34 | Pentagrid-Converter (Heptode) |
| 1H35 | Pentagrid-Converter (Heptode) |
| 1J1 | Current Regulator |
| 1J3 | Half-Wave Vacuum Rectifier |
| 1J3A | Half-Wave Vacuum Rectifier |
| 1J5G | Power Pentode |
| 1J5GT | Power Pentode |
| 1J6G | High Mu Twin Power Triode |
| 1J6GT | High Mu Twin Power Triode |
| 1J6GX | High Mu Twin Power Triode |
| 1K1 | Current Regulator |
| 1K3 | Half-Wave Vacuum Rectifier |
| 1K3-A | Half-Wave Vacuum Rectifier |
| 1K3A | Half-Wave Vacuum Rectifier |
| 1K4 | Tetrode |
| 1K5 | Pentode |
| 1K5G | Pentode |
| 1K7G | Duo Diode Pentode |
| 1L1 | Current Regulator |
| 1L4 | Sharp Cutoff RF Pentode |
| 1L5G | Power Amplifier Pentode |
| 1L6 | Pentagrid Converter |
| 1L33 | Vacuum Pentode |
| 1L34 | Vacuum Pentode |
| 1LA4 | Power Pentode |
| 1LA4E | Power Pentode |
| 1LA6 | Pentagrid Converter |
| 1LB4 | Pentode Power Amplifier |
| 1LB6 | Pentagrid Mixer |
| 1LC5 | Sharp Cutof fRF Pentode |
| 1LC6 | Pentagrid Converter |
| 1LD5 | Diode - Sharp Cutoff Pentode |
| 1LE3 | Medium Mu Triode |
| 1LF3 | Medium-Mu Triode |
| 1LG5 | Semi-Remote Cutoff RF Pentode |
| 1LH4 | Diode - High Mu Triode |
| 1LN5 | Sharp Cutoff RF Pentode |
| 1M1 | - |
| 1M3 | Electron-Ray Indicator |
| 1M5 | RF Pentode |
| 1M5G | RF Pentode |
| 1N1 | Current Regulator |
| 1N2 | Half-Wave Diode |
| 1N2A | Half-Wave Diode |
| 1N3 | Tuning Indicator |
| 1N5G | Sharp Cutoff RF Pentode |
| 1N5GT | Sharp Cutoff RF Pentode |
| 1N5GT/G | Sharp Cutoff RF Pentode |
| 1N6G | Diode - Power Pentode |
| 1N6GT | Diode - Power Pentode |
| 1P1 | Current Regulator |
| 1P5G | Remote Cutoff RF Pentode |
| 1P5GT | Remote Cutoff RF Pentode |
| 1P10 | Output Pentode |
| 1P11 | Vacuum Pentode |
| 1P24 | Photocell High vakuum |
| 1P37 | Photocell Gas filled |
| 1P39 | Phototube |
| 1P42 | Photocell High vakuum |
| 1Q1 | Current Regulator |
| 1Q5G | Beam Power Amplifier |
| 1Q5GT | Beam Power Amplifier |
| 1Q5GT/G | Beam Power Amplifier |
| 1Q6 | Diode - Pentode |
| 1R1 | Current Regulator |
| 1R4 | HF Diode |
| 1R4/1294 | HF Diode |
| 1R5 | Pentagrid Converter |
| 1R5SF | Pentagrid Converter |
| 1R5WA | Pentagrid Converter |
| 1RK23 | - |
| 1S1 | Current Regulator |
| 1S2 | Half-Wave Rectifier |
| 1S2A | Half-Wave Rectifier |
| 1S2B | Half-Wave Rectifier |
| 1S4 | Power Pentode |
| 1S5 | Diode - Sharp Cutoff Pentode |
| 1S6 | Diode - Pentode |
| 1SA6GT | Medium-Cutoff RF Pentode |
| 1SB6GT | Diode - Pentode |
| 1T1 | Current Regulator |
| 1T2 | Half-Wave High-Voltage Rectifier |
| 1T4 | Remote Cutoff RF Pentode |
| 1T4SF | Remote Cutoff RF Pentode |
| 1T4WA | Remote Cutoff RF Pentode |
| 1T5GT | Beam Power Amplifier |
| 1T6 | Diode - Sharp Cutoff Pentode |
| 1U1 | Current Regulator |
| 1U4 | Sharp Cutoff RF Pentode |
| 1U4WA | Sharp Cutoff RF Pentode |
| 1U5 | Diode - Sharp Cutoff Pentode |
| 1U5SF | Diode - Sharp Cutoff Pentode |
| 1U5WA | Diode - Sharp Cutoff Pentode |
| 1U6 | Pentagrid Converter |
| 1V | Half-Wave Rectifier |
| 1V1 | Current Regulator |
| 1V2 | Half-Wave Rectifier |
| 1V5 | Beam Power Amplifier |
| 1V6 | Triode-Pentode Converter |
| 1W1 | Current Regulator |
| 1W4 | Power Pentode Amplifier |
| 1W5 | Sharp-Cutoff RF Pentode |
| 1X2 | HV Half-Wave Rectifier |
| 1X2A | HV Half-Wave Rectifier |
| 1X2B | HV Half-Wave Rectifier |
| 1X2-C | HV Half-Wave Rectifier |
| 1X2C | Half-Wave Vacuum Rectifier |
| 1Y1 | Current Regulator |
| 1Y2 | Half-Wave High-Voltage Rectifier |
| 1Y32 | Half-Wave Vacuum Rectifier |
| 1Y32T | Half-Wave Vacuum Rectifier |
| 1Z1 | Current Regulator |
| 1Z2 | Half-Wave Rectifier |
| 2 | Ballast Tube |
| 2-01C | Signal Diode - one single system |
| 2-15A/15R | - |
| 2A3 | Power Amplifier Triode |
| 2A3H | Power Amplifier Triode |
| 2A3W | Power Amplifier Triode |
| 2A4 | Thyratron Tube (Triode) |
| 2A4G | Thyratron Tube (Triode) |
| 2A5 | Power Amplifier Pentode |
| 2A6 | Twin Diode - High Mu Triode |
| 2A7 | Pentagrid Converter |
| 2A7S | Pentagrid Converter |
| 2AF4 | UHF Triode Oscillator |
| 2AF4A | UHF Triode Oscillator |
| 2AF4B | UHF Triode Oscillator |
| 2AH2 | Half-Wave Rectifier |
| 2AP1 | Oscilloscope CRT, picture tube |
| 2AS2 | Half-Wave Rectifier |
| 2AS2A | Half-Wave Rectifier |
| 2AV2 | Half-Wave Rectifier |
| 2AZ2 | Diode |
| 2B3 | HV Half-Wave Rectifier |
| 2B4 | Gas Triode |
| 2B5 | Twin Triode |
| 2B6 | Power Amplifier Direct Co |
| 2B7 | Twin Diode - Semi Remote Cutoff Pentode |
| 2B7S | Twin Diode - Semi Remote Cutoff Pentode |
| 2B21 | - |
| 2B22 | Planar Diode |
| 2B24 | Signal Diode - one single system |
| 2B24A | - |
| 2B25 | Half-Wave Rectifier |
| 2B35 | - |
| 2B/250A | - |
| 2BA2 | Half-Wave Rectifier |
| 2BC | Diode - Pentode |
| 2BJ2 | Half-Wave Rectifier |
| 2BJ2A | Half-Wave Rectifier |
| 2BN4 | VHF Medium Mu Triode |
| 2BN4A | VHF Medium Mu Triode |
| 2BP1 | Oscilloscope CRT, picture tube |
| 2BU2 | Half-Wave Rectifier |
| 2C4 | Gas Triode |
| 2C21 | Medium-Mu Twin Triode |
| 2C22 | Medium-Mu Triode |
| 2C26 | Transmitting Triode, air cooled |
| 2C26A | UHF Triode Pulse Oscillator |
| 2C27 | Triode, vacuum |
| 2C28 | Triode, vacuum |
| 2C34 | Twin Triode Power Amplifier Oscillator |
| 2C36 | Power Triode |
| 2C37 | Power Triode |
| 2C39 | Power Triode |
| 2C39A | UHF Power Triode |
| 2C39B | Planar Triode |
| 2C39BA | Transmitting Triode, air cooled |
| 2C39WA | Transmitting Triode, air cooled |
| 2C40 | Planar Triode |
| 2C40A | Planar Triode |
| 2C42 | Triode, vacuum |
| 2C43 | Planar Triode |
| 2C46 | Diode |
| 2C50 | Medium-Mu Twin Triode |
| 2C51 | High-Frequency Twin Triode |
| 2C51W | High-Frequency Twin Triode |
| 2C52 | High-Mu Twin Triode |
| 2CN3 | Half-Wave Rectifier |
| 2CN3A | Half-Wave Rectifier |
| 2CN3B | Half-Wave Rectifier |
| 2CQ3 | - |
| 2CW4 | Triode (Nuvistor) |
| 2CY5 | VHF Sharp Cutoff Tetrode |
| 2D13 | Double Diode |
| 2D13A | Double Diode |
| 2D21 | Tetrode (Thyratron) |
| 2D21W | Tetrode (Thyratron) |
| 2DF4 | Vacuum Pentode |
| 2DS4 | High-Mu Triode |
| 2DV4 | Medium-Mu Triode |
| 2DX4 | Triode |
| 2DY4 | Triode |
| 2DY4A | Triode |
| 2DZ4 | Medium-Mu Triode |
| 2E5 | Elecron Ray Tube |
| 2E22 | Power Pentode |
| 2E24 | Beam Power Pentode |
| 2E25 | Beam Power Pentode |
| 2E26 | Beam Power Pentode |
| 2E27 | Vacuum Pentode |
| 2E29 | Vacuum Pentode |
| 2E30 | Beam Power Pentode |
| 2E31 | Sharp-Cutoff RF Pentode |
| 2E32 | Sharp-Cutoff RF Pentode |
| 2E35 | Power Amplifier Pentode |
| 2E36 | Power Amplifier Pentode |
| 2E41 | Diode Pentode |
| 2E42 | Diode Pentode |
| 2EA5 | Sharp Cutoff Tetrode |
| 2EG4 | High-Mu Triode |
| 2EN5 | Duo Diode |
| 2ER5 | VHF Triode |
| 2ES5 | Semi-Remote Cutoff Pentode |
| 2EV5 | VHF Tetrode |
| 2FH5 | VHF Triode |
| 2FQ5 | VHF High Gm Triode |
| 2FQ5A | VHF High Gm Triode |
| 2FS5 | Beam Hexode |
| 2FV6 | Sharp-Cutoff Tetrode |
| 2FY5 | High-Mu Triode |
| 2G5 | Electron Ray Tuning Indicator |
| 2G21 | Triode-Heptode Converter |
| 2G22 | Triode-Heptode Converter |
| 2GK5 | High-Mu Triode |
| 2GU5 | Beam Hexode |
| 2GW5 | VHF Triode |
| 2HA5 | High-Mu triode |
| 2HK5 | High-Mu Triode |
| 2HM5 | High-Mu Triode |
| 2HQ5 | High-Mu Triode |
| 2HR5 | Beam Power Pentode |
| 2HR8 | Pentode |
| 2J2 | HV Half-Wave Rectifier |
| 2J32 | Pulse magnetron |
| 2J35 | CW-magnetron |
| 2K25 | Reflex Klystron |
| 2K43 | Reflex Klystron |
| 2L2 | HV Half-Wave Rectifier |
| 2LO | Triode, vacuum |
| 2RA3 | - |
| 2RA5 | - |
| 2RA6 | - |
| 2RA15 | Gas Rectifier |
| 2S/4S | Duo Diode |
| 2T4 | UHF Medium Mu Triode |
| 2T/270K | High-vacuum Rectifier |
| 2V2 | Half-Wave Rectifier |
| 2V3 | Half-Wave Rectifier |
| 2V3G | Half-Wave Rectifier |
| 2V/400A | Half-Wave Mercury-Vapor Rectifier |
| 2W3 | Half-Wave Rectifier |
| 2W3GT | Half-Wave Rectifier |
| 2X2 | HV Half-Wave Rectifier |
| 2X2/879 | HV Half-Wave Rectifier |
| 2X2A | HV Half-Wave Rectifier |
| 2X3G | HV Rectifier |
| 2XM400 | Half-Wave Mercury-Vapor Rectifier |
| 2Y2 | Half-Wave Rectifier |
| 2Z2 | Half-Wave Rectifier |
| 2Z2/G84 | Half-Wave Rectifier |
| 3 | Ballast Tube |
| 3-25A3 | Power Triode |
| 3-25D3 | Power Triode |
| 3-50A4 | Power Triode |
| 3-50D4 | Power Triode |
| 3-75A3 | Power Triode |
| 3-75A2 | Power Triode |
| 3-100A2 | Power Triode |
| 3-100A4 | Power Triode |
| 3-150A3 | Power Triode |
| 3-150A2 | Power Triode |
| 3-200A3 | Power Triode |
| 3-250A2 | Power Triode |
| 3-250A4 | Power Triode |
| 3-300A2 | Power Triode |
| 3-300A3 | Power Triode |
| 3-400Z | Power Triode |
| 3-500Z | Transmitting Triode, air cooled |
| 3-1000Z | Power Triode |
| 3A2 | Half-Wave Rectifier |
| 3A2A | Half-Wave Rectifier |
| 3A3 | Half-Wave Rectifier |
| 3A3A | Half-Wave Rectifier |
| 3A3B | Half-Wave Rectifier |
| 3A3C | Half-Wave Rectifier |
| 3A4 | Power Amplifier Pentode |
| 3A5 | High Frequency Medium-Mu Twin Triode |
| 3A8G | Diode - Triode - Sharp-Cutoff RF Pentode |
| 3A8GT | Diode - Triode - Sharp-Cutoff RF Pentode |
| 3A/105B | Triode, vacuum |
| 3A/146J | Triode, vacuum |
| 3A/147J | Triode, vacuum |
| 3A/148J | Triode, vacuum |
| 3AF4A | UHF Triode Oscillator |
| 3AF4B | UHF Triode Oscillator |
| 3AJ8 | Triode-Heptode |
| 3AL5 | Duo Diode |
| 3AMP1A | Oscilloscope CRT, picture tube |
| 3AP1 | Oscilloscope CRT, picture tube |
| 3AP4 | PICTURE TUBE general |
| 3ARP1 | Oscilloscope CRT, picture tube |
| 3AT2 | Half-Wave Rectifier |
| 3AT2A | Half-Wave Rectifier |
| 3AT2B | Half-Wave Rectifier |
| 3AU6 | Sharp Cutoff RF Pentode |
| 3AV6 | Duo Diode - High-Mu Triode |
| 3AW2 | Half-Wave Rectifier |
| 3AW2A | Half-Wave Rectifier |
| 3AW3 | Half-Wave Rectifier |
| 3AZP31 | Oscilloscope CRT, picture tube |
| 3B2 | HV Half-Wave Rectifier |
| 3B4 | Beam Power Amplifier |
| 3B4WA | Beam Power Amplifier |
| 3B5 | Beam Power Output Amplifier |
| 3B5GT | Beam Power Output Amplifier |
| 3B7 | High Frequency Twin Triode |
| 3B7/1291 | High Frequency Twin Triode |
| 3B21 | Full-Wave Rectifier inert gas filled |
| 3B22 | Full-Wave Rectifier inert gas filled |
| 3B23 | Full-Wave Vacuum Rectifier |
| 3B24 | Half-Wave Rectifier |
| 3B25 | Half-Wave Rectifier, gasfilled |
| 3B27 | Half-Wave Rectifier, gasfilled |
| 3B28 | Half-Wave Rectifier |
| 3B29 | Half-Wave Vacuum Rectifier |
| 3B/401J | Triode, vacuum |
| 3BA6 | Remote Cutoff RF Pentode |
| 3BC5 | Sharp Cutoff RF Pentode |
| 3BE6 | Heptode Converter |
| 3BF2 | Half-Wave Vacuum Rectifier |
| 3BH2 | HV Rectifier Diode |
| 3BL2 | Half-Wave Vacuum Rectifier |
| 3BL2A | Half-Wave Vacuum Rectifier |
| 3BM2 | Damper, booster, flyback diode |
| 3BM2A | Damper, booster, flyback diode |
| 3BN2 | Diode |
| 3BN2A | Diode |
| 3BN4 | VHF Medium Mu Triode |
| 3BN4A | VHF Medium Mu Triode |
| 3BN6 | Gated Beam Discriminator |
| 3BNP1 | Oscilloscope CRT, picture tube |
| 3BP1 | Oscilloscope CRT, picture tube |
| 3BS2 | Half-Wave Rectifier |
| 3BS2A | Half-Wave Rectifier |
| 3BS2B | Half-Wave Rectifier |
| 3BT2 | Half-Wave Rectifier |
| 3BT2A | Half-Wave Rectifier |
| 3BU8 | Dual Control Sharp Cutoff Duo Pentode |
| 3BU8A | Dual Control Sharp Cutoff Duo Pentode |
| 3BW2 | Half-Wave Rectifier |
| 3BX6 | Pentode |
| 3BY6 | Pentagrid Amplifier |
| 3BY7 | Pentode |
| 3BZ6 | Semi-Remote Cutoff Pentode |
| 3C2 | Half-Wave High-Voltage Rectifier |
| 3C4 | Power Amplifier Pentode |
| 3C5 | Power Output Pentode |
| 3C5GT | Power Output Pentode |
| 3C6 | Medium-Mu Twin Triode |
| 3C23 | Triode |
| 3C24 | Power Triode |
| 3C28 | Power Triode |
| 3C33 | Twin Power Triode |
| 3C34 | Power Triode |
| 3C37 | Transmitting Triode, air cooled |
| 3CA3 | Half-Wave Rectifier |
| 3CA3A | Half-Wave Rectifier |
| 3CB6 | Sharp Cutoff RF Pentode |
| 3CE5 | Sharp Cutoff RF Pentode |
| 3CF6 | Sharp Cutoff RF Pentode |
| 3CN3 | Diode |
| 3CN3A | Diode |
| 3CN3B | Diode |
| 3CS6 | Dual Control Heptode |
| 3CU3 | Half-Wave Rectifier |
| 3CU3A | Half-Wave Rectifier |
| 3CV3 | Diode |
| 3CV3A | Diode |
| 3CX3 | Half-Wave Vacuum Rectifier |
| 3CX100A5 | Planar Triode |
| 3CY3 | Half-Wave Rectifier |
| 3CY5 | VHF Sharp Cutoff Tetrode Amplifier |
| 3CY33 | - |
| 3CY33/3DB3 | - |
| 3CZ3 | Diode |
| 3CZ3A | Diode |
| 3D6 | Pentode (Beam Power Amplifier) |
| 3D6/1299 | Pentode (Beam Power Amplifier) |
| 3D21A | Beam Power Tube |
| 3D23 | Transmitting Tetrode, air cooled |
| 3D24 | Power Tetrode |
| 3DA3 | Diode |
| 3DB3 | Half-Wave Rectifier |
| 3DC3 | Half-Wave Rectifier |
| 3DF3 | Half-Wave Rectifier |
| 3DF3A | Half-Wave Rectifier |
| 3DG4 | Twin Diode |
| 3DH3 | Diode |
| 3DJ3 | Half-Wave Rectifier |
| 3DK6 | Sharp Cutoff Pentode |
| 3DR3 | Diode |
| 3DS3 | Diode |
| 3DT6 | Sharp Cutoff Pentode |
| 3DT6A | Sharp Cutoff Pentode |
| 3DX4 | Medium-Mu Triode |
| 3DY4 | Medium-Mu Triode |
| 3DY4A | Medium-Mu Triode |
| 3DZ4 | Medium-Mu Triode |
| 3E5 | Beam Power Amplifier |
| 3E6 | Sharp-Cutoff RF Pentode |
| 3E29 | Twin Beam Power Tube |
| 3EA5 | Sharp Cutoff Tetrode |
| 3EH7 | High Mu Semi-Remote Cutoff Pentode |
| 3EJ7 | High Mu Sharp Cutoff Pentode |
| 3EP1/1806P1 | - |
| 3ER5 | VHF Triode |
| 3ES5 | Semi-Remote Cutoff Pentode |
| 3EV5 | VHF Tetrode |
| 3FH5 | VHF Triode |
| 3FP7 | CRT (cathode ray tube, picture tube) |
| 3FQ5 | VHF High Gm Triode |
| 3FQ5A | VHF High Gm Triode |
| 3FS5 | Beam Hexode |
| 3FW7 | Medium Mu Dual Triode |
| 3FX7 | Medium Mu Twin Triode |
| 3FY5 | High-Mu Triode |
| 3GK5 | High-Mu Triode |
| 3GS8 | Sharp-Cutoff Twin Pentode |
| 3GS8/3BU8 | Sharp-Cutoff Twin Pentode |
| 3GU5 | Beam Hexode |
| 3GW5 | VHF Triode |
| 3HA5 | High-Mu Triode |
| 3HA5/3HM5 | High-Mu Triode |
| 3HK5 | High-Mu Triode |
| 3HM5 | High-Mu Triode |
| 3HM6 | Sharp-Cutoff Pentode |
| 3HQ5 | High-Mu Triode |
| 3HS8 | Sharp-Cutoff Twin Pentode |
| 3HT6 | Pentode |
| 3J31 | Pulse magnetron |
| 3JC6 | Sharp-Cutoff pentode |
| 3JC6A | Sharp-Cutoff pentode |
| 3JD6 | Sharp-Cutoff Pentode |
| 3JP1 | Oscilloscope CRT, picture tube |
| 3KF8 | Double Pentode |
| 3KP4 | Television picture tube black+white |
| 3KT6 | Semiremote-Cutoff Pentode |
| 3L31 | Vacuum Pentode |
| 3LE4 | Beam Power Pentode |
| 3LF4 | Beam Power Amplifier |
| 3LP4 | - |
| 3M-R24 | - |
| 3M-V7 | - |
| 3NP4 | Vacuum Pentode |
| 3Q4 | Beam Power Amplifier |
| 3Q5 | Beam Power Amplifier |
| 3Q5G | Beam Power Amplifier |
| 3Q5GT | Beam Power Amplifier |
| 3Q5GT/G | Beam Power Amplifier |
| 3RP1 | Oscilloscope CRT, picture tube |
| 3S4 | Pentode Power Amplifier |
| 3S4SF | Pentode Power Amplifier |
| 3SP4 | Vacuum Pentode |
| 3V4 | Pentode Power Amplifier |
| 3V4WA | Pentode Power Amplifier |
| 3W4 | Pentode Power Amplifier |
| 3WP1 | Oscilloscope CRT, picture tube |
| 3WP2 | Oscilloscope CRT, picture tube |
| 3X100A11 | Power Triode |
| 3X2500A3 | Transmitting Triode, air cooled |
| 3X12500A3 | Transmitting Triode, air cooled |
| 3Z4 | Pentode Power Amplifier |
| 4 | Ballast Tube |
| 4-65A | Power Tetrode |
| 4-125A | Power Tetrode |
| 4-250/5D22 | Power Tetrode |
| 4-250A | Power Tetrode |
| 4-400A | Power Tetrode |
| 4-1000A | Power Tetrode |
| 4A6 | Towm Triode Power Amplifier |
| 4A6G | Towm Triode Power Amplifier |
| 4AU6 | Sharp Cutoff RF Pentode |
| 4AV6 | Twin Diode - High-Mu Triode |
| 4B22 | Full-Wave Rectifier inert gas filled |
| 4B23 | Full-Wave Rectifier inert gas filled |
| 4B24 | Full-Wave Rectifier inert gas filled |
| 4B25 | Full-Wave Rectifier inert gas filled |
| 4B30 | - |
| 4B32 | Half-Wave Rectifier, inert gas filled |
| 4BA6 | Remote-Cutoff Pentode |
| 4BC5 | Sharp Cutoff RF Pentode |
| 4BC8 | Medium Mu Duo Triode |
| 4BE6 | Pentagrid Converter |
| 4BL8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 4BN4 | Triode |
| 4BN6 | Gated Beam Discriminator |
| 4BQ7 | Medium-Mu High Frequency Twin Triode |
| 4BQ7A | Medium-Mu High Frequency Twin Triode |
| 4BS8 | Medium Mu Double Triode |
| 4BU8 | Dual Control Duo Pentode |
| 4BX8 | High Frequency Twin Triode |
| 4BZ6 | Semi-Remote Cutoff Pentode |
| 4BZ7 | High Frequency Duo Diode |
| 4BZ8 | High FrequencyMedium Mu Duo Triode Semi-Remote Cutoff |
| 4C29 | Transmitting Triode, air cooled |
| 4C32 | Transmitting Triode, air cooled |
| 4C33 | Power Triode |
| 4C34 | Power Triode |
| 4C35 | Thyratron |
| 4C36 | Transmitting Triode, air cooled |
| 4CB6 | Sharp Cutoff RF Pentode |
| 4CE5 | Sharp Cutoff RF Pentode |
| 4CF6 | Sharp-Cutoff Pentode |
| 4CM4 | - |
| 4CS6 | Dual Control Heptode |
| 4CX7 | Medium-Mu Twin Triode |
| 4CX250B | Transmitting Tetrode, air cooled |
| 4CX250B/7203 | - |
| 4CX300A | Beam Power Pentode |
| 4CX300A/8167 | Beam Power Pentode |
| 4CX1000A | Power Tetrode |
| 4CX1500B | - |
| 4CX1500B/8660 | - |
| 4CY5 | VHF Amplifier |
| 4D21 | Power Tetrode |
| 4D21A | Power Tetrode |
| 4D22 | Beam Power Pentode |
| 4D32 | Beam Power Pentode |
| 4DE6 | Sharp Cutoff Pentode |
| 4DK6 | Sharp Cutoff Pentode |
| 4DT6 | Sharp Cutoff Pentode |
| 4DT6A | Sharp Cutoff Pentode |
| 4E27 | Beam Power Pentode |
| 4E27A | Beam Power Pentode |
| 4EH7 | High Mu Semi-Remote Cutoff Pentode |
| 4EJ7 | High Mu Sharp Cutoff Pentode |
| 4ES8 | VHF Duo Triode |
| 4EW6 | High Mu Sharp Cutoff Pentode |
| 4FS7 | Triode-Pentode |
| 4G280K | - |
| 4GJ7 | Medium-Mu Triode - Sharp-Cutoff pentode |
| 4GK5 | High-Mu Triode |
| 4GM6 | Semi-Remote Cutoff Pentode |
| 4GS7 | Triode-Pentode |
| 4GS8 | Sharp-Cutoff Twin Pentode |
| 4GW5 | VHF Triode |
| 4GX7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 4GZ5 | Power Pentode |
| 4HA5 | High-Mu Triode |
| 4HA7 | Twin Triode |
| 4HC7 | Twin Triode |
| 4HG8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 4HK5 | High-Mu Triode |
| 4HM5 | High-Mu Triode |
| 4HM6 | Sharp-Cutoff Pentode |
| 4HQ5 | High-Mu Triode |
| 4HR8 | Vacuum Pentode |
| 4HS8 | Sharp-Cutoff Twin Pentode |
| 4HT6 | Semiremote-Cutoff Pentode |
| 4J21 | Pulse magnetron |
| 4J22 | Pulse magnetron |
| 4J23 | Pulse magnetron |
| 4J24 | Pulse magnetron |
| 4J25 | Pulse magnetron |
| 4J26 | Pulse magnetron |
| 4J27 | Pulse magnetron |
| 4J28 | Pulse magnetron |
| 4J29 | Pulse magnetron |
| 4J30 | Pulse magnetron |
| 4JC6 | Sharp-Cutoff Pentode |
| 4JC6A | Sharp-Cutoff Pentode |
| 4JD6 | Sharp-Cutoff Pentode |
| 4JH6 | Semiremote-Cutoff Pentode |
| 4JK6 | Sharp-Cutoff Pentode |
| 4JL6 | Semiremote-Cutoff Pentode |
| 4JW8 | Triode-Pentode |
| 4KE8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 4KF8 | Double Pentode |
| 4KN8 | Twin Triode |
| 4KT6 | Semiremote-Cutoff Pentode |
| 4LJ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 4LU6 | Vacuum Pentode |
| 4MK8 | Double Pentode |
| 4R-HH2 | - |
| 4R-HH8 | - |
| 4S | Double Diode |
| 4X150A | Power Tetrode |
| 4X150D | Power Tetrode |
| 4X150G | Power Tetrode |
| 4X250B | Power Tetrode |
| 4X250F | Power Tetrode |
| 4XP | Triode, vacuum |
| 4Y25 | Beam Power Tube |
| 5 | Ballast Tube |
| 5-125B | Beam Power Pentode |
| 5A6 | Beam Pentode |
| 5A/160H | - |
| 5AF4 | UHF Medium-Mu Triode |
| 5AF4A | UHF Medium-Mu Triode |
| 5AM8 | Diode Sharp-Cutoff RF Pentode |
| 5AN8 | Triode Pentode |
| 5AP1 | Oscilloscope CRT, picture tube |
| 5AP4 | Television picture tube black+white |
| 5AQ5 | Beam Power Amplifier |
| 5AR4 | Full-Wave High-Vacuum Rectifier |
| 5AS4 | Full-Wave Rectifier |
| 5AS4A | Full-Wave Rectifier |
| 5AS4A/5U4GB | Full-Wave Rectifier |
| 5AS8 | Single Diode - Sharp Cutoff Pentode |
| 5AT4 | Full-Wave Rectifier |
| 5AT8 | Triode Pentode Converter |
| 5AU4 | Full-Wave High-Vacuum Rectifier |
| 5AV8 | Triode Pentode |
| 5AW4 | Full Wave High-Vacuum Rectifier |
| 5AX4 | Full Wave High-Vacuum Rectifier |
| 5AX4GT | Full Wave High-Vacuum Rectifier |
| 5AZ3 | Full-Wave Vacuum Rectifier |
| 5AZ4 | Full-Wave High-Vacuum Rectifier |
| 5B8 | Triode Pentode |
| 5B/250A | Beam Power Tube |
| 5B/255M | Beam Power Tube |
| 5B/300B | Transmitting Tube, Pentode, air cooled |
| 5BC3 | Half-Wave Rectifier |
| 5BC3A | Half-Wave Rectifier |
| 5BE8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 5BK7 | High Frequency Medium-Mu Twin Triode |
| 5BK7A | High Frequency Medium-Mu Twin Triode |
| 5BP1 | Oscilloscope CRT, picture tube |
| 5BP4 | Television picture tube black+white |
| 5BP4/1802P4 | - |
| 5BQ7 | High Frequency Medium-Mu Twin Triode |
| 5BQ7A | High Frequency Medium-Mu Twin Triode |
| 5BR8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 5BS8 | Medium Mu Double Triode |
| 5BT8 | Duo Diode - Sharp Cutoff Pentode |
| 5BW8 | Twin Diode-Sharp-Cutoff Pentode |
| 5BZ7 | High Frequency Twin Triode |
| 5C22 | Thyratron |
| 5C/100A | Beam Power Tube |
| 5C/450A | Transmitting Tube, Pentode, air cooled |
| 5CG4 | Full-Wave Vacuum Rectifier |
| 5CG8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 5CL8 | Medium Mu Triode - Semi-Remote Cutoff Tetrode |
| 5CL8A | Medium Mu Triode - Semi-Remote Cutoff Tetrode |
| 5CM6 | Beam Power |
| 5CM8 | High-mu Triode - Sharp Cutoff Pentode |
| 5CP1 | Oscilloscope CRT, picture tube |
| 5CQ8 | Medium Mu Triode - Sharp Cutoff Tetrode |
| 5CR8 | Triode - Pentode |
| 5CU4 | Full-Wave Vacuum Rectifier |
| 5CX350A | - |
| 5CX350A/8321 | - |
| 5CZ5 | Beam Pentode Amplifier |
| 5D22 | Power Tetrode |
| 5DB4 | - |
| 5DH8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 5DJ4 | Full-Wave Rectifier |
| 5DN4 | - |
| 5EA8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 5EH8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 5ES8 | Variable-Mu Twin Triode |
| 5EU8 | VHF Triode - Pentode |
| 5EW6 | Sharp-Cutoff Pentode |
| 5FG7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5FP7 | CRT (cathode ray tube, picture tube) |
| 5FV8 | Triode - Pentode |
| 5GH8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5GH8A | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5GJ7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5GM6 | Semiremote-Cutoff Pentode |
| 5GS7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5GX6 | Sharp-Cutoff Pentode |
| 5GX7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5HA7 | Twin Triode |
| 5HB7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5HC7 | Double Triode |
| 5HG8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5HP1 | CRT (cathode ray tube, picture tube) |
| 5HZ6 | Sharp-Cutoff Pentode |
| 5J6 | Medium Mu Twin Triode |
| 5J23 | Pulse magnetron |
| 5J26 | Pulse magnetron |
| 5JK6 | Sharp-Cutoff Pentode |
| 5JL6 | Semiremote-Cutoff Pentode |
| 5JW8 | Triode-Pentode |
| 5KD8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5KE8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5KZ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5LJ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 5MB8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 5M-HH3 | - |
| 5MP1 | CRT (cathode ray tube, picture tube) |
| 5MQ8 | Triode - Pentode |
| 5N4 | - |
| 5P29 | - |
| 5R4G | Full-Wave Rectifier |
| 5R4GTY | Full-Wave Rectifier |
| 5R4GY | Full-Wave Rectifier |
| 5R4GYA | Full-Wave Rectifier |
| 5R4GYB | Full-Wave Rectifier |
| 5R4WGA | Full-Wave Rectifier |
| 5R4WGB | Full-Wave Rectifier |
| 5R4WGY | Full-Wave Rectifier |
| 5R4WGYA | Full-Wave Rectifier |
| 5R-HP1 | - |
| 5S1 | - |
| 5T4 | Full-Wave Rectifier |
| 5T8 | Triple-diode - High Mu Triode |
| 5TP4 | Projection Television picture tube B/W |
| 5U4G | Full-Wave Rectifier |
| 5U4GA | Full-Wave Rectifier |
| 5U4GB | Full-Wave Rectifier |
| 5U4GB/5AS4A | Full-Wave Rectifier |
| 5U4WG | Full-Wave Rectifier |
| 5U4WGB | Full-Wave Rectifier |
| 5U6 | Pentode |
| 5U8 | Hf Medium Mu Triode - Sharp Cutoff Pentode |
| 5U9 | Triode-Pentode |
| 5UP1 | Oscilloscope CRT, picture tube |
| 5V3 | Full-Wave Rectifier |
| 5V3A | Full-Wave Rectifier |
| 5V4 | Full-Wave Rectifier |
| 5V4G | Full-Wave Rectifier |
| 5V4GA | Full-Wave Rectifier |
| 5V4GY | Full-Wave Rectifier |
| 5V6GT | Beam Power Amplifier |
| 5V9 | - |
| 5W4 | Full-Wave Rectifier |
| 5W4G | Full-Wave Rectifier |
| 5W4GT | Full-Wave Rectifier |
| 5W4GT/G | Full-Wave Rectifier |
| 5X3 | Full-Wave Rectifier |
| 5X4G | Full-Wave Rectifier |
| 5X4GA | Full-Wave Rectifier |
| 5X8 | HF Medium Mu Triode - Sharp Cutoff Pentode |
| 5X9 | Triode-Pentode |
| 5XX | Triode, vacuum |
| 5Y3 | Full-Wave Rectifier |
| 5Y3G | Full-Wave Rectifier |
| 5Y3GA | Full-Wave Rectifier |
| 5Y3GB | Full-Wave Vacuum Rectifier |
| 5Y3GT | Full-Wave Rectifier |
| 5Y3GT/G | Full-Wave Rectifier |
| 5Y3WGT | Full-Wave Rectifier |
| 5Y3WGTA | Full-Wave Rectifier |
| 5Y3WGTB | Full-Wave Rectifier |
| 5Y4 | Full-Wave Rectifier |
| 5Y4G | Full-Wave Rectifier |
| 5Y4GA | Full-Wave Rectifier |
| 5Y4GT | Full-Wave Rectifier |
| 5Y35 | Vacuum Pentode |
| 5YP1 | Oscilloscope CRT, picture tube |
| 5Z3 | Full-Wave Rectifier |
| 5Z4 | Full-Wave Rectifier |
| 5Z4G | Full-Wave Rectifier |
| 5Z4GT | Full-Wave Rectifier |
| 5Z4GT/G | Full-Wave Rectifier |
| 5Z4MG | Full-Wave Rectifier |
| 5Z10 | - |
| 6 | Ballast Tube |
| 6/30L2 | - |
| 6A3 | Power Amplifier Triode |
| 6A4 | Power Amplifier Pentode |
| 6A4LA | Power Amplifier Pentode |
| 6A5 | Power Amplifier Triode |
| 6A5G | Power Amplifier Triode |
| 6A6 | High Mu Twin Power Triode |
| 6A6X | High Mu Twin Power Triode |
| 6A7 | Pentagrid Converter |
| 6A7S | Pentagrid Converter |
| 6A8 | Pentagrid Converter |
| 6A8G | Pentagrid Converter |
| 6A8GT | Pentagrid Converter |
| 6A8GTX | Pentagrid Converter |
| 6A8MG | Pentagrid Converter |
| 6AB4 | RF High Mu Triode |
| 6AB5 | Electron Ray Tube |
| 6AB5/6N5 | Electron Ray Tube |
| 6AB6 | Twin Triode |
| 6AB6G | Twin Triode |
| 6AB7 | Sharp Cutoff Pentode |
| 6AB7/1853 | Sharp Cutoff Pentode |
| 6AB7Y | Sharp Cutoff Pentode |
| 6AB8 | Triode-Pentode |
| 6AB9 | Double Tetrode |
| 6AC5 | High Mu Power Triode |
| 6AC5G | High Mu Power Triode |
| 6AC5GT | High Mu Power Triode |
| 6AC5GT/G | High Mu Power Triode |
| 6AC6 | Power Amplifier Direct Coupled |
| 6AC6G | Power Amplifier Direct Coupled |
| 6AC6GT | Power Amplifier Direct Coupled |
| 6AC7 | Sharp Cutoff Pentode Amplifier |
| 6AC7/1852 | Sharp Cutoff Pentode Amplifier |
| 6AC7A | Sharp Cutoff Pentode Amplifier |
| 6AC7W | Sharp Cutoff Pentode Amplifier |
| 6AC7WA | Sharp Cutoff Pentode Amplifier |
| 6AC7Y | Sharp Cutoff Pentode Amplifier |
| 6AC9 | Double Diode-Pentode |
| 6AC10 | High-Mu Triple Triode |
| 6AD4 | Triode |
| 6AD5 | High-Mu Triode |
| 6AD5G | High-Mu Triode |
| 6AD5GT | High-Mu Triode |
| 6AD6G | Electron Ray Tube |
| 6AD7G | Low Mu Triode - Power Pentode |
| 6AD8 | Twin Diode - Pentode |
| 6AD10 | Beam Power Tube - Sharp-Cutoff Pentode |
| 6AD10-A | Beam Power Tube - Sharp-Cutoff Pentode |
| 6AD10A | Double Pentode |
| 6AE5 | Low Mu Triode |
| 6AE5G | Low Mu Triode |
| 6AE5GT | Low Mu Triode |
| 6AE5GT/G | Low Mu Triode |
| 6AE6 | Twin Plate Control Tube |
| 6AE6G | Twin Plate Control Tube |
| 6AE7G | Twin Input Triode |
| 6AE7GT | Twin Input Triode |
| 6AE8 | Pentagrid Converter |
| 6AF3 | Half-Wave Rectifier |
| 6AF4 | UHF Medium Mu Triode |
| 6AF4A | UHF Medium Mu Triode |
| 6AF5 | Triode Voltage Amplifier |
| 6AF5G | Triode Voltage Amplifier |
| 6AF6G | Electron Ray Tube |
| 6AF6GT | Electron Ray Tube |
| 6AF7G | Mag. Eye, 2 ranges, 4 shadow angles |
| 6AF9 | Dual Pentode |
| 6AF10 | Double Pentode |
| 6AF11 | Twin Triode - Sharp-Cutoff Pentode |
| 6AG5 | Sharp Cutoff RF Pentode |
| 6AG5A | Sharp-Cutoff Pentode |
| 6AG5WA | Sharp Cutoff RF Pentode |
| 6AG6G | Vacuum Pentode |
| 6AG7 | Power Pentode |
| 6AG7W | Power Pentode |
| 6AG7Y | Power Pentode |
| 6AG9 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6AG10 | Double Hexode |
| 6AG11 | Twin Diode-Twin Triode |
| 6AH4GT | Low Mu Triode |
| 6AH5 | Beam Power Amplifier |
| 6AH5G | Beam Power Amplifier |
| 6AH6 | Sharp Cutoff RF Pentode |
| 6AH6V | Sharp Cutoff RF Pentode |
| 6AH6WA | Sharp Cutoff RF Pentode |
| 6AH7 | Double Triode |
| 6AH7GT | Double Triode |
| 6AH9 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6AJ4 | UHF Medium-Mu Triode |
| 6AJ5 | Sharp-Cutoff Pentode |
| 6AJ7 | Pentode |
| 6AJ8 | Triode - Pentagrid Amplifier |
| 6AK4 | Medium-Mu Triode |
| 6AK5 | HF Sharp Cutoff Pentode |
| 6AK5W | HF Sharp Cutoff Pentode |
| 6AK5WA | HF Sharp Cutoff Pentode |
| 6AK5WB | HF Sharp Cutoff Pentode |
| 6AK6 | Pentode Power Amplifier |
| 6AK7 | Power Amplifier Pentode |
| 6AK8 | Triple Diode High-Mu Triode |
| 6AK9 | Double Triode-Pentode |
| 6AK10 | Triple Triode |
| 6AL3 | Half-Wave Rectifier |
| 6AL5 | Duo Diode |
| 6AL5W | Duo Diode |
| 6AL6 | Tetrode Power Amplifier |
| 6AL6G | Tetrode Power Amplifier |
| 6AL7 | Electron Ray Tube |
| 6AL7GT | Electron Ray Tube |
| 6AL9 | Triode-Pentode |
| 6AL11 | Beam Power Tube - Sharp-Cutoff Pentode |
| 6AM4 | High Mu Triode |
| 6AM5 | Power Amplifier Pentode |
| 6AM6 | Sharp-Cutoff Pentode |
| 6AM8 | Diode Pentode |
| 6AM8A | Diode Pentode |
| 6AN4 | UHF High Mu Triode |
| 6AN5 | Beam Power Pentode |
| 6AN5WA | Beam Power Pentode |
| 6AN6 | Quadruple Diode |
| 6AN7 | Triode-Hexode Converter |
| 6AN8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6AN8A | Medium Mu Triode - Sharp Cutoff Pentode |
| 6AQ4 | High-Mu Triode |
| 6AQ5 | Beam Power Amplifier |
| 6AQ5/6669 | Beam Power Amplifier |
| 6AQ5/6HG5 | Beam Power Amplifier |
| 6AQ5A | Beam Power Amplifier |
| 6AQ5W | Beam Power Amplifier |
| 6AQ6 | Duo Diode - High Mu Triode |
| 6AQ7GT | Duo Diode - High Mu Triode |
| 6AQ8 | VHF Duo Triode |
| 6AR5 | Beam Power Amplifier |
| 6AR6 | Beam Pentode |
| 6AR6G | Beam Pentode |
| 6AR6WA | Beam Pentode |
| 6AR7GT | Twin-Diode Remote-Cutoff Pentode |
| 6AR8 | Sheet Beam Tube |
| 6AR11 | Semiremote Cutoff Twin Pentode |
| 6AS4 | Half-Wave Rectifier |
| 6AS4GT | Half-Wave Rectifier |
| 6AS5 | Beam Power Amplifier |
| 6AS6 | Sharp-Cutoff Pentode |
| 6AS6W | Sharp-Cutoff Pentode |
| 6AS7 | Low-Mu Twin Triode DC Amp |
| 6AS7G | Low-Mu Twin Triode DC Amp |
| 6AS7GA | Low-Mu Twin Triode DC Amp |
| 6AS7GT | Low-Mu Twin Triode DC Amp |
| 6AS7GYB | Low-Mu Twin Triode DC Amp |
| 6AS8 | Diode - Sharp Cutoff Pentode |
| 6AS11 | Twin Triode - Sharp-Cutoff Pentode |
| 6AT6 | Duo Diode - High-mu Triode |
| 6AT7N | - |
| 6AT8 | Medium Mu Triode - Sharp Cutoff Pentode Converter |
| 6AT8A | Medium Mu Triode - Sharp Cutoff Pentode Converter |
| 6AU4GT | Damper Diode |
| 6AU4GTA | Damper Diode |
| 6AU5 | Beam Power Amplifier |
| 6AU5GT | Beam Power Amplifier |
| 6AU6 | Sharp Cutoff RF Pentode |
| 6AU6A | Sharp Cutoff RF Pentode |
| 6AU6WA | Sharp Cutoff RF Pentode |
| 6AU6WB | Sharp Cutoff RF Pentode |
| 6AU7 | Medium Mu Twin Triode |
| 6AU8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6AU8A | Medium Mu Triode - Sharp Cutoff Pentode |
| 6AV4 | Full-Wave Rectifier |
| 6AV5GA | Beam Power Amplifier |
| 6AV5GT | Beam Power Amplifier |
| 6AV6 | Duo Diode - High Mu Triode |
| 6AV11 | Triple Triode |
| 6AW6 | Pentode |
| 6AW7 | Duo Diode - High Mu Triode |
| 6AW7GT | Duo Diode - High Mu Triode |
| 6AW8 | High Mu Triode - Sharp Cutoff Pentode |
| 6AW8A | High Mu Triode - Sharp Cutoff Pentode |
| 6AX3 | Half-Wave Rectifier |
| 6AX4GT | Damper Diode |
| 6AX4GTA | Damper Diode |
| 6AX4GTB | Damper Diode |
| 6AX5GT | Full-Wave Rectifier |
| 6AX6 | Full-Wave High-Vacuum Rectifier |
| 6AX6G | Full-Wave High-Vacuum Rectifier |
| 6AX7 | High Mu Duo Triode |
| 6AX8 | Medium Mu Triode - Semi-Remote Cutoff Pentode |
| 6AY3 | Half-Wave Rectifier |
| 6AY3A | Half-Wave Rectifier |
| 6AY3B | Half-Wave Rectifier |
| 6AY11 | Twin Diode - Semiremote-Cutoff Pentode |
| 6AZ5 | Duo Diode |
| 6AZ6 | Twin Diode |
| 6AZ8 | Medium Mu Triode - Semi-Remote Cutoff Pentode |
| 6B3 | Diode |
| 6B4G | Power Triode |
| 6B5 | Direct Coupled Power Triode |
| 6B6 | Twin Diode - High Mu Triode |
| 6B6G | Twin Diode - High Mu Triode |
| 6B7 | Twin Diode - Remote Cutoff Pentode |
| 6B7S | Twin Diode - Remote Cutoff Pentode |
| 6B8 | Twin Diode - Semi-Remote Cutoff Pentode |
| 6B8G | Twin Diode - Semi-Remote Cutoff Pentode |
| 6B8GT | Twin Diode - Semi-Remote Cutoff Pentode |
| 6B10 | Twin Triode - Twin Diode |
| 6B31 | Double Diode |
| 6B32 | Double Diode |
| 6BA3 | Half-Wave Vacuum Rectifier |
| 6BA4 | High-Mu Planar Triode |
| 6BA5 | Pentode |
| 6BA6 | Remote Cutoff RF Pentode |
| 6BA6/EF93 | Remote Cutoff RF Pentode |
| 6BA6W | Remote Cutoff RF Pentode |
| 6BA6WA | Remote Cutoff RF Pentode |
| 6BA7 | Pentagrid Converter |
| 6BA8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6BA8A | Medium Mu Triode - Sharp Cutoff Pentode |
| 6BA11 | Triode - Twin Pentode |
| 6BC4 | UHF Medium-mu Triode |
| 6BC5 | Sharp Cutoff RF Pentode |
| 6BC7 | Triple Diode |
| 6BC8 | Medium Mu Duo Triode |
| 6BC32 | Double Diode-Triode |
| 6BD4 | Sharp Cutoff Beam Triode |
| 6BD4A | Sharp Cutoff Beam Triode |
| 6BD5 | Beam Power Amplifier |
| 6BD5GT | Beam Power Amplifier |
| 6BD6 | Remote Cutoff RF Pentode |
| 6BD7 | Duplex-Diode High-Mu Triode |
| 6BD11 | Twin Triode - Sharp-Cutoff Pentode |
| 6BE3 | Half-Wave Vacuum Rectifier |
| 6BE3A | Half-Wave Vacuum Rectifier |
| 6BE6 | Pentagrid Converter |
| 6BE6W | Pentagrid Converter |
| 6BE7 | Seven-Grid Limiter-Discriminator |
| 6BE8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6BE8A | Medium Mu Triode - Sharp Cutoff Pentode |
| 6BF5 | Beam Power Amplifier |
| 6BF6 | Duo Diode - Medium Mu Triode |
| 6BF7 | Medium-Mu Twin Triode |
| 6BF7A | Medium-Mu Twin Triode |
| 6BF7W | Medium-Mu Twin Triode |
| 6BF8 | INDUSTRIAL RECTIFIER, general |
| 6BF11 | Beam Power - Sharp-Cutoff Pentode |
| 6BG6G | Beam Power Amplifier |
| 6BG6GA | Beam Power Amplifier |
| 6BG6GT | Beam Power Tube |
| 6BG7 | Medium-Mu Twin Triode |
| 6BH3 | Half-Wave Rectifier |
| 6BH3A | Half-Wave Rectifier |
| 6BH5 | Remote-Cutoff Pentode |
| 6BH6 | Sharp Cutoff RF Pentode |
| 6BH8 | Sharp Cutoff Pentode |
| 6BH11 | Double Triode-Pentode |
| 6BJ3 | Half-Wave Vacuum Rectifier |
| 6BJ5 | Power Amplifier Pentode |
| 6BJ6 | Remote Cutoff Pentode |
| 6BJ6A | Remote Cutoff Pentode |
| 6BJ7 | Triple Diode |
| 6BJ8 | Medium Mu Triode - Double Diode |
| 6BK4 | Sharp Cutoff Beam Triode |
| 6BK4/6EL4A | Sharp Cutoff Beam Triode |
| 6BK4A | Sharp Cutoff Beam Triode |
| 6BK4B | Sharp Cutoff Beam Triode |
| 6BK4C | Sharp Cutoff Beam Triode |
| 6BK4C/6EL4A | Sharp Cutoff Beam Triode |
| 6BK5 | Beam Power Amplifier |
| 6BK6 | Twin Diode - High-Mu Triode |
| 6BK7 | Medium Mu Twin Triode RF Amplifier |
| 6BK7A | Medium Mu Twin Triode RF Amplifier |
| 6BK7B | Medium Mu Twin Triode RF Amplifier |
| 6BK8 | Sharp-Cutoff AF Pentode |
| 6BK11 | Triple Triode |
| 6BL4 | Half-Wave Rectifier |
| 6BL6 | Reflex Klystron |
| 6BL7GT | Medium Mu Twin Triode |
| 6BL7GTA | Medium Mu Twin Triode |
| 6BL8 | Medium-MuTriode - Sharp-Cutoff Pentode |
| 6BM5 | Power Amplifier Pentode |
| 6BM8 | Triode-Beam Power Tube |
| 6BN4 | VHF Medium Mu Triode |
| 6BN4A | VHF Medium Mu Triode |
| 6BN5 | Power Amplifier Pentode |
| 6BN6 | Gated Beam Discriminator |
| 6BN7 | Twin Dissimilar Triode |
| 6BN8 | Duo Diode - High Mu Triode |
| 6BN11 | Sharp-Cutoff Twin Pentode |
| 6BQ5 | Beam Power Amplifier |
| 6BQ5/EL84 | Beam Power Amplifier |
| 6BQ6 | Beam Power Pentode |
| 6BQ6G | Beam Power Amplifier |
| 6BQ6GA | Beam Power Amplifier |
| 6BQ6GT | Beam Power Amplifier |
| 6BQ6GTA | Beam Power Amplifier |
| 6BQ6GTB | Beam Power Amplifier |
| 6BQ6GTB/6CU6 | Beam Power Amplifier |
| 6BQ7 | Medium-mu Duo Triode |
| 6BQ7A | VHF Medium-mu Duo Triode |
| 6BQ7A/6BS8 | VHF Medium-mu Duo Triode |
| 6BQ7A/6BZ7 | VHF Medium-mu Duo Triode |
| 6BR3 | Half-Wave Vacuum Rectifier |
| 6BR5 | Mag. Fan, 2 shadow angles |
| 6BR7 | Sharp-Cutoff RF Pentode |
| 6BR8 | Medium Mu Triode - Sharp-cutoff Pentode |
| 6BR8A | Medium Mu Triode - Sharp-cutoff Pentode |
| 6BS3 | Half-Wave Rectifier |
| 6BS3A | Half-Wave Rectifier |
| 6BS5 | Beam Power Amplifier |
| 6BS7 | Sharp-Cutoff RF Pentode |
| 6BS8 | Medium Mu Double Triode |
| 6BT4 | Full-Wave High-Vacuum Rectifier |
| 6BT6 | Twin Diode-High-Mu Triode |
| 6BT8 | Duo Diode - Sharp Cutoff Pentode |
| 6BU4 | Sharp-Cutoff Beam Triode |
| 6BU5 | Sharp-Cutoff Beam Pentode |
| 6BU6 | Twin Diode - Low-Mu Triode |
| 6BU8 | Dual Control Sharp Cutoff Duo Pentode |
| 6BU8A | Dual Control Sharp Cutoff Duo Pentode |
| 6BV7 | Duplex-Diode Power Amplifier Pentode |
| 6BV8 | Twin Diode - Medium-Mu Triode |
| 6BV11 | Sharp-Cutoff Dual Pentode |
| 6BW3 | Half-Wave Vacuum Rectifier |
| 6BW4 | Full-Wave Rectifier |
| 6BW6 | Beam Power Amplifier |
| 6BW7 | Sharp-Cutoff RF Pentode |
| 6BW8 | Duo Diode - Sharp Cutoff Pentode |
| 6BW11 | Sharp-Cutoff Twin Pentode |
| 6BX4 | Full-Wave Rectifier |
| 6BX6 | RF Pentode |
| 6BX7GT | Medium Mu Duo Triode |
| 6BX8 | High Frequency Twin Triode |
| 6BY4 | High-Mu Triode |
| 6BY5G | Full-Wave Rectifier |
| 6BY5GA | Full-Wave Rectifier |
| 6BY6 | Pentagrid Amplifier |
| 6BY7 | Remote-Cutoff RF Pentode |
| 6BY8 | Half-Wave Diode - Sharp Cutoff Pentode |
| 6BY11 | Double Pentode |
| 6BZ3 | Half-Wave Vacuum Rectifier |
| 6BZ6 | Semi-Remote Cutoff Pentode |
| 6BZ7 | VHF Medium Mu Twin Triode |
| 6BZ8 | Medium Mu Duo Triode Semi-Remote Cutoff |
| 6C4 | Hf Power Triode |
| 6C4W | Hf Power Triode |
| 6C4WA | Hf Power Triode |
| 6C5 | Medium Mu Triode |
| 6C5G | Medium Mu Triode |
| 6C5GT | Medium Mu Triode |
| 6C5GT/G | Medium Mu Triode |
| 6C5MG | Medium Mu Triode |
| 6C6 | Sharp Cutoff Pentode |
| 6C7 | Twin Diode - Medium Mu Triode |
| 6C8G | Medium Mu Twin Triode |
| 6C9 | VHF Duo Tetrode |
| 6C10 | Triple Triode |
| 6C12 | - |
| 6C15 | - |
| 6C16 | - |
| 6C18 | - |
| 6C24 | Power Triode |
| 6C31 | - |
| 6CA4 | High Vacuum Full-Wave Rectifier |
| 6CA5 | Beam Power Amplifier |
| 6CA7 | Beam Power Audio Amplifier |
| 6CA11 | Double Triode-Pentode |
| 6CB5 | Beam Power Amplifier |
| 6CB5A | Beam Power Amplifier |
| 6CB6 | Sharp Cutoff RF Pentode |
| 6CB6A | Sharp Cutoff RF Pentode |
| 6CB6A/6CF6 | Sharp Cutoff RF Pentode |
| 6CB6A/6676 | Sharp Cutoff RF Pentode |
| 6CC1O | - |
| 6CC31 | Double Triode |
| 6CC41 | Double Triode |
| 6CC42 | Double Triode |
| 6CC43 | - |
| 6CD3 | Half-Wave Rectifier |
| 6CD6 | Beam Power Amplifier |
| 6CD6G | Beam Power Amplifier |
| 6CD6GA | Beam Power Amplifier |
| 6CD7 | Electron-Ray Indicator |
| 6CE3 | Half-Wave Rectifier |
| 6CE5 | Sharp Cutoff Pentode |
| 6CF6 | Sharp Cutoff RF Pentode |
| 6CF8 | Vacuum Pentode |
| 6CG3 | Half-Wave Rectifier |
| 6CG6 | Semiremote-Cutoff Pentode |
| 6CG7 | Medium Mu Twin Triode |
| 6CG7/6FQ7 | Medium Mu Twin Triode |
| 6CG8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6CG8A | Medium Mu Triode - Sharp Cutoff Pentode |
| 6CH3 | Half-Wave Rectifier |
| 6CH6 | Power Pentode |
| 6CH7 | High-Frequency Twin Triode |
| 6CH8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6CH40 | - |
| 6CJ3 | Half-Wave Rectifier |
| 6CJ5 | Remote-Cutoff RF Pentode |
| 6CJ6 | Beam Power Amplifier |
| 6CK3 | Half-Wave Rectifier |
| 6CK4 | Low Mu Power Triode |
| 6CK5 | Power Amplifier Pentode |
| 6CK6 | Power Amplifier Pentode |
| 6CL3 | Half-Wave Rectifier |
| 6CL5 | Horizontal Deflection Amplifier |
| 6CL6 | Pentode Power Amplifier |
| 6CL8 | Medium Mu Triode - Semi-Remote Cutoff Tetrode |
| 6CL8A | Medium Mu Triode - Semi-Remote Cutoff Tetrode |
| 6CM3 | Half-Wave Rectifier |
| 6CM4 | Triode, vacuum |
| 6CM5 | - |
| 6CM6 | Beam Power Amplifier |
| 6CM7 | Medium Mu Double Triode |
| 6CM8 | High-mu Triode - Sharp Cutoff Pentode |
| 6CN6 | Beam Power Amplifier |
| 6CN7 | Double Diode - High Mu Triode |
| 6CQ4 | Half-Wave Rectifier |
| 6CQ6 | Remote-Cutoff RF Pentode |
| 6CQ8 | Medium Mu Triode - Sharp Cutoff Tetrode |
| 6CR4 | Triode |
| 6CR5 | - |
| 6CR6 | Diode Detector - Remote Cutoff Pentode |
| 6CR8 | Triode - Pentode |
| 6CS5 | Beam Power Pentode |
| 6CS6 | Pentagrid Amplifier |
| 6CS7 | Medium Mu Double Triode |
| 6CS8 | Triode-Pentode |
| 6CT3 | Half-Wave Vacuum Rectifier |
| 6CT7 | Diode-Pentode |
| 6CU5 | Beam Power Tube |
| 6CU6 | Beam Power Amplifier |
| 6CU7 | Triode-Hexode Converter |
| 6CU8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6CV7 | Duplex-Diode Triode |
| 6CW4 | Triode (Nuvistor) |
| 6CW5 | Pentode |
| 6CW7 | - |
| 6CX7 | Medium-Mu Twin Triode |
| 6CX8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6CY5 | VHF Sharp Cutoff Tetrode |
| 6CY7 | Dissimilar Duo Triodes |
| 6CZ5 | Beam Pentode Amplifier |
| 6D1 | Signal Diode - one single system |
| 6D2 | - |
| 6D4 | Gas Triode |
| 6D5 | Power Amplifier Triode |
| 6D5G | Power Amplifier Triode |
| 6D5MG | Power Amplifier Triode |
| 6D6 | Remote Cutoff Pentode |
| 6D7 | Sharp Cutoff Pentode |
| 6D8 | Pentagrid Converter |
| 6D8G | Pentagrid Converter |
| 6D10 | High-Mu Triple Triode |
| 6DA4 | Half-Wave Rectifier |
| 6DA4A | Half-Wave Rectifier |
| 6DA5 | Mag. Fan, 1 shadow angle |
| 6DA6 | Remote-Cutoff RF Pentode |
| 6DA7 | Double Triode |
| 6DB5 | Beam Pentode Amplifier |
| 6DB6 | Sharp-Cutoff Pentode |
| 6DC6 | Semi-Remote Cutoff Pentode |
| 6DC8 | Twin Diode - Remote-Cutoff Pentode |
| 6DE4 | Half-Wave Rectifier |
| 6DE6 | Sharp Cutoff Pentode |
| 6DE7 | Duo Triode |
| 6DG6GT | Pentode Power Amplifier |
| 6DG7 | - |
| 6D-HH13 | - |
| 6DJ8 | VHF Duo Triode |
| 6DK3 | Damper, booster, flyback diode |
| 6DK6 | Sharp Cutoff Pentode |
| 6DL3 | Half-Wave Vacuum Rectifier |
| 6DL4 | High-Mu Triode |
| 6DL5 | Power Pentode |
| 6DL7 | - |
| 6DM4 | Half-Wave Rectifier |
| 6DM4A | Half-Wave Rectifier |
| 6DN3 | Half-Wave Vacuum Rectifier |
| 6DN6 | Beam Power Amplifier |
| 6DN7 | Dissimilar Medium Mu Dual Triode |
| 6DQ3 | Half-Wave Vacuum Rectifier |
| 6DQ3A | Half-Wave Vacuum Rectifier |
| 6DQ4 | Half-Wave Rectifier |
| 6DQ5 | Beam Power Tube |
| 6DQ6 | Beam Power Amplifier |
| 6DQ6A | Beam Power Amplifier |
| 6DQ6B | Beam Power Amplifier |
| 6DR4 | Triode, vacuum |
| 6DR6 | Beam Power Amplifier |
| 6DR7 | Dissimilar Duo Triode |
| 6DR8 | - |
| 6DS4 | High-Mu Triode (Nuvistor) |
| 6DS5 | Beam Power Pentode |
| 6DS8 | Triode-Heptode |
| 6DT3 | Half-Wave Vacuum Rectifier |
| 6DT4 | Half-Wave Rectifier |
| 6DT5 | Beam Power Pentode |
| 6DT6 | Sharp Cutoff Pentode |
| 6DT6A | Sharp Cutoff Pentode |
| 6DT8 | High Mu Twin Triode |
| 6DU3 | - |
| 6DV4 | Medium-Mu Triode (Nuvistor) |
| 6DW4 | Half-Wave Rectifier |
| 6DW4A | Half-Wave Rectifier |
| 6DW4B | Half-Wave Rectifier |
| 6DW5 | Beam Power Pentode |
| 6DX4 | Triode |
| 6DX8 | High-Mu Triode - Sharp-Cutoff pentode |
| 6DY4 | Triode |
| 6DY4A | Triode |
| 6DY5 | Pentode |
| 6DY7 | Twin Power Pentode |
| 6DZ4 | Medium-Mu Triode |
| 6DZ7 | Dual Beam Power Pentode |
| 6DZ8 | Triode-Pentode |
| 6E5 | Electron Ray Tube |
| 6E5GT | Mag. Eye, 1 shadow angle |
| 6E6 | Twin Power Triode |
| 6E7 | Remote Cutoff Pentode |
| 6E8 | Triode-Hexode |
| 6E8G | Triode-Hexode |
| 6EA4 | High-Mu Triode |
| 6EA5 | Sharp Cutoff Tetrode |
| 6EA7 | Dissimilar Duo Triode |
| 6EA8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6EB5 | Duo Diode |
| 6EB8 | High Mu Triode - Sharp Cutoff Pentode |
| 6EC4 | - |
| 6EC7 | - |
| 6EF4 | Beam Triode |
| 6EF6 | Beam Power Amplifier |
| 6EH4 | Beam Triode |
| 6EH4A | Beam Triode |
| 6EH5 | Power Pentode |
| 6EH7 | High Mu Semi-Remote Cutoff Pentode |
| 6EH8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6EJ4 | Beam Triode |
| 6EJ4A | Beam Triode |
| 6EJ7 | High Mu Sharp Cutoff Pentode |
| 6EL4 | Beam triode |
| 6EL4A | Beam triode |
| 6EL7 | Pentode |
| 6EM5 | Beam Power Pentode |
| 6EM7 | Dissimilar Duo Triode |
| 6EN4 | Triode, vacuum |
| 6EQ7 | Diode - Sharp Cutoff Pentode |
| 6ER5 | VHF Triode |
| 6ES5 | Semi-Remote Cutoff Pentode |
| 6ES6 | Pentode |
| 6ES8 | VHF Duo Triode |
| 6ET6 | Pentode |
| 6ET7 | Duo Diode - Pentode |
| 6EU7 | High Mu Twin Triode |
| 6EU8 | VHF Triode - Pentode |
| 6EV5 | VHF Tetrode |
| 6EV7 | High Mu Duo Triode |
| 6EW6 | High Mu Sharp Cutoff Pentode |
| 6EW7 | Dissimilar Duo Triode |
| 6EX6 | Beam Power Amplifier |
| 6EY6 | Beam Power Pentode |
| 6EZ5 | Beam Power Tube |
| 6EZ8 | Triple Triode |
| 6F4 | High-Frequency Triode (Acorn) |
| 6F5 | High Mu Triode |
| 6F5G | High Mu Triode |
| 6F5GT | High Mu Triode |
| 6F5MG | High Mu Triode |
| 6F6 | Pentode Power Amplifier |
| 6F6G | Pentode Power Amplifier |
| 6F6GT | Pentode Power Amplifier |
| 6F6GT/G | Pentode Power Amplifier |
| 6F6MG | Pentode Power Amplifier |
| 6F7 | Low Mu Triode - Remote Cutoff Pentode |
| 6F7S | Low Mu Triode - Remote Cutoff Pentode |
| 6F8G | Medium Mu Twin Triode |
| 6F10 | - |
| 6F11 | - |
| 6F12 | - |
| 6F15 | - |
| 6F16 | - |
| 6F18 | - |
| 6F19 | - |
| 6F21 | - |
| 6F22 | - |
| 6F23 | - |
| 6F24 | - |
| 6F25 | - |
| 6F26 | - |
| 6F29 | - |
| 6F30 | - |
| 6F31 | Vacuum Pentode |
| 6F32 | Vacuum Pentode |
| 6F32V | Vacuum Pentode |
| 6F33 | Vacuum Pentode |
| 6F35 | - |
| 6F36 | Vacuum Pentode |
| 6FA7 | Diode - Sharp-Cutoff Twin-Plate Tetrode |
| 6FC7 | - |
| 6FD6 | Pentode |
| 6FD7 | Twin Triode |
| 6FD12 | - |
| 6FE5 | Beam Power Pentode |
| 6FE8 | - |
| 6FG5 | Pentode |
| 6FG6 | Sharp Cutoff Tetrode |
| 6FG7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6FH5 | VHF Triode |
| 6FH6 | Beam Power Pentode |
| 6FH8 | Medium Mu Triode - Three Plate Tetrode |
| 6FJ7 | Medium-Mu Twin Triode |
| 6FM7 | Double Triode |
| 6FM8 | Duo Diode Triode |
| 6FN5 | Screen-grid Tetrode |
| 6FQ5 | VHF High Gm Triode |
| 6FQ5A | VHF High Gm Triode |
| 6FQ7 | Medium Mu Duo Triode |
| 6FR7 | Double Triode |
| 6FS5 | Beam Hexode |
| 6FV6 | Sharp Cutoff Tetrode |
| 6FV8 | Triode - Pentode |
| 6FV8A | Triode - Pentode |
| 6FW5 | Beam Power Pentode |
| 6FW7 | Double Triode |
| 6FW8 | Medium Mu Twin Triode |
| 6FX4 | - |
| 6FX7 | Double Triode |
| 6FY5 | High-Mu Triode |
| 6FY7 | Dual Tride |
| 6FY8 | Triode-Pentode |
| 6G5 | Electron Ray Tuning Indicator |
| 6G5/6H5 | Electron Ray Tuning Indicator |
| 6G6G | Power Pentode |
| 6G6GT | Power Pentode |
| 6G8G | Double Diode-Pentode |
| 6G11 | Beam Power Pentode - Sharp-Cutoff Pentode |
| 6GA7 | Diode-Pentode |
| 6GA8 | - |
| 6GB5 | Beam Power Pentode |
| 6G-B3A | - |
| 6G-B6 | - |
| 6G-B9 | - |
| 6GC5 | Power Pentode |
| 6GC6 | Beam Power Tube |
| 6GD7 | Triode-Pentode |
| 6GE5 | Beam Power Pentode |
| 6GE8 | Triode-Pentode |
| 6GF5 | Beam Power Pentode |
| 6GF7 | Twin Triode |
| 6GF7A | Twin Triode |
| 6GH8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 6GH8A | Medium Mu Triode - Sharp Cutoff Pentode |
| 6GJ5 | Beam Power Pentode |
| 6GJ5A | Beam Power Pentode |
| 6GJ7 | Medium-Mu Triode - Sharp-Cutoff pentode |
| 6GJ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6GK5 | High-Mu Triode |
| 6GK6 | Power Pentode |
| 6GK7 | Pentode |
| 6G-K17 | - |
| 6GL7 | Twin Triode |
| 6GM5 | Power Pentode |
| 6GM6 | Semi-Remote Cutoff Pentode |
| 6GM8 | Medium-Mu Twin triode |
| 6GN6 | - |
| 6GN8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6GQ7 | SPECIAL TUBE, other or unknown |
| 6GS8 | Sharp-Cutoff Twin Pentode |
| 6GT5 | Beam Power Pentode |
| 6GT5A | Beam Power Pentode |
| 6GU5 | Beam Hexode |
| 6GU7 | Medium-Mu Twin Triode |
| 6GV5 | Beam Power Pentode |
| 6GV7 | High-Mu Triode |
| 6GV8 | High-Mu Triode - Power Pentode |
| 6GW5 | VHF Triode |
| 6GW6 | Beam Power Amplifier |
| 6GW8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6GX6 | Sharp-Cutoff Pentode |
| 6GX7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6GX8 | Mag. bar tuning indicator + diode |
| 6GY5 | Beam Power Pentode |
| 6GY6 | Sharp-Cutoff Pentode |
| 6GY8 | Triple High-Mu Triode |
| 6GZ5 | Power Pentode |
| 6H4 | Diode Rectifier |
| 6H4GT | Diode Rectifier |
| 6H5 | Electron Ray Tuning Indic |
| 6H6 | Duo Diode |
| 6H6G | Duo Diode |
| 6H6GT | Duo Diode |
| 6H6GT/G | Duo Diode |
| 6H6MG | Duo Diode |
| 6H6WGT | Duo Diode |
| 6H8G | Double Diode-Pentode |
| 6H31 | Pentagrid-Converter (Heptode) |
| 6HA5 | High-Mu triode |
| 6HA6 | Vacuum Pentode |
| 6HB5 | Beam Power Pentode |
| 6HB6 | Power Pentode |
| 6HB7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6HC8 | Triode - Pentode |
| 6HD5 | Beam Power Tube |
| 6HD7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6HE5 | Beam Power Pentode |
| 6HE7 | Damper Diode-Beam Power-Endtetrode |
| 6HF5 | Beam Power Pentode |
| 6HF8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6HG5 | Beam Power Pentode |
| 6HG5/6AQ5A | Beam Power Pentode |
| 6HG8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6HJ5 | Beam Power Pentode |
| 6HJ7 | Triode-Pentode |
| 6HJ8 | Diode - Sharp-Cutoff Pentode |
| 6HK5 | High-Mu Triode |
| 6HK8 | Twin Triode |
| 6HL5 | Beam Power Tube |
| 6HL8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6HM5 | High-Mu Triode |
| 6HM6 | Sharp-Cutoff Pentode |
| 6HQ5 | High-Mu Triode |
| 6HQ6 | Pentode |
| 6HR5 | Beam Power Pentode |
| 6HR6 | Semiremote-Cutoff Pentode |
| 6HS5 | Beam Triode |
| 6HS6 | Sharp-Cutoff Pentode |
| 6HS8 | Sharp-Cutoff Twin Pentode |
| 6HT6 | Semiremote-Cutoff Pentode |
| 6HU6 | Electron-Ray Tube |
| 6HU8 | Double Beam Power Tube |
| 6HV5 | Beam Triode |
| 6HV5A | Beam Triode |
| 6HW8 | SPECIAL TUBE, other or unknown |
| 6HZ5 | Sharp cutoff beam triode |
| 6HZ6 | Sharp-Cutoff Pentode |
| 6HZ8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6J4 | High Frequency Triode |
| 6J4W | High Frequency Triode |
| 6J4WA | High Frequency Triode |
| 6J5 | Medium Mu Triode |
| 6J5G | Medium Mu Triode |
| 6J5GT | Medium Mu Triode |
| 6J5GT/G | Medium Mu Triode |
| 6J5GTX | Medium Mu Triode |
| 6J5GX | Medium Mu Triode |
| 6J5MG | Medium Mu Triode |
| 6J5WGT | Medium Mu Triode |
| 6J6 | Duo Triode |
| 6J6A | Duo Triode |
| 6J6W | Duo Triode |
| 6J6WA | Duo Triode |
| 6J7 | Sharp Cutoff Pentode |
| 6J7G | Sharp Cutoff Pentode |
| 6J7GT | Sharp Cutoff Pentode |
| 6J7GTX | Sharp Cutoff Pentode |
| 6J7MG | Sharp Cutoff Pentode |
| 6J8G | Triode Heptode Converter |
| 6J9 | High-Mu Triple Triode |
| 6J10 | Pentode - Beam Power Pentode |
| 6J11 | Twin Pentode |
| 6JA5 | Beam Power Tube |
| 6JA8 | Triode - Pentode |
| 6JB5 | Beam Power Tube |
| 6JB6 | Beam Power Pentode |
| 6JB6A | Beam Power Pentode |
| 6JB8 | - |
| 6JC5 | Beam Power Tube |
| 6JC6 | Sharp-Cutoff Pentode |
| 6JC6A | Sharp-Cutoff Pentode |
| 6JC8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6JD5 | Sharp cutoff beam triode |
| 6JD6 | Sharp-Cutoff Pentode |
| 6JE6 | Beam Power Pentode |
| 6JE6A | Beam Power Pentode |
| 6JE6B | Beam Power Pentode |
| 6JE6C | Beam Power Pentode |
| 6JE8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6JF6 | Beam Power Pentode |
| 6JF7 | Twin Triode |
| 6JF8 | - |
| 6JG5 | Vacuum Pentode |
| 6JG6 | Beam Power Pentode |
| 6JG6A | Beam Power Pentode |
| 6JH5 | Sharp cutoff beam triode |
| 6JH6 | Semiremote-Cutoff Pentode |
| 6JH8 | Beam-Deflection Tube |
| 6JK5 | Sharp cutoff beam triode |
| 6JK6 | Sharp-Cutoff Pentode |
| 6JK8 | Dual VHF Triode |
| 6JL6 | Semiremote-Cutoff Pentode |
| 6JL8 | Triode - Pentode |
| 6JM6 | Beam Power Pentode |
| 6JM6A | Beam Power Pentode |
| 6JN6 | Beam Power Tube |
| 6JN6A | Beam Power Tube |
| 6JN8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6JQ6 | Diode - Beam Power Pentode |
| 6JR6 | Beam Power Tube |
| 6JS6 | Beam Power Pentode |
| 6JS6A | Beam Power Pentode |
| 6JS6B | Beam Power Pentode |
| 6JS6C | Beam Power Pentode |
| 6JT6 | Beam Power Pentode |
| 6JT6A | Beam Power Pentode |
| 6JT8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6JU6 | Beam Power Pentode |
| 6JU8 | Quadruple Diode |
| 6JU8A | Quadruple Diode |
| 6JV6 | Triode - Pentode |
| 6JV8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6JW6 | Pentode |
| 6JW8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6JX8 | Triode-Heptode |
| 6JZ6 | Beam Power Pentode |
| 6JZ8 | Medium-Mu Triode - Power Pentode |
| 6K4 | Medium-Mu Triode |
| 6K4A | Medium-Mu Triode |
| 6K5 | High Mu Triode |
| 6K5G | High Mu Triode |
| 6K5GT | High Mu Triode |
| 6K5WGT | High Mu Triode |
| 6K6 | Power Output Pentode |
| 6K6G | Power Output Pentode |
| 6K6GT | Power Output Pentode |
| 6K6GT/G | Power Output Pentode |
| 6K6MG | Power Output Pentode |
| 6K7 | Remote Cutoff RF Pentode |
| 6K7A | Remote Cutoff RF Pentode |
| 6K7G | Remote Cutoff RF Pentode |
| 6K7GT | Remote Cutoff RF Pentode |
| 6K7GTX | Remote Cutoff RF Pentode |
| 6K7MG | Remote Cutoff RF Pentode |
| 6K8 | Triode - Hexode Converter |
| 6K8G | Triode - Hexode Converter |
| 6K8GT | Triode - Hexode Converter |
| 6K8GTX | Triode - Hexode Converter |
| 6K11 | Twin High-Mu Triode - Medium-Mu Triode |
| 6KA8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6KD6 | Beam Power Pentode |
| 6KD8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6KE6 | Beam Power Tube |
| 6KE8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6KF8 | Double Pentode |
| 6KG6 | Beam Power Tube |
| 6KH8 | - |
| 6KL8 | Diode-Sharp-Cutoff Pentod |
| 6KM6 | Beam Power Pentode |
| 6KM8 | Diode - Sharp-Cutoff Three-Plate Tetrode |
| 6KN6 | Beam Power Pentode |
| 6KN8 | Twin Triode |
| 6KR8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6KR8A | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6KS6 | Pentode |
| 6KS8 | Triode - Pentode |
| 6KT6 | Semiremote-Cutoff Pentode |
| 6KT8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6KU8 | Twin Diode - Sharp-Cutoff Pentode |
| 6KV6 | Beam Power Pentode |
| 6KV6A | Beam Power Pentode |
| 6KV8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6KY6 | Sharp-Cutoff Pentode |
| 6KY8 | High-Mu Triode - Beam Power Pentode |
| 6KY8A | High-Mu Triode - Beam Power Pentode |
| 6KZ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6L4 | Triode |
| 6L5G | Medium Mu Triode |
| 6L6 | Beam Power Amplifier |
| 6L6A | Beam Power Amplifier |
| 6L6G | Beam Power Amplifier |
| 6L6GA | Beam Power Amplifier |
| 6L6GAY | Beam Power Amplifier |
| 6L6GB | Beam Power Amplifier |
| 6L6GC | Beam Power Amplifier |
| 6L6GT | Beam Power Amplifier |
| 6L6GX | Beam Power Amplifier |
| 6L6W | Beam Power Amplifier |
| 6L6WA | Beam Power Amplifier |
| 6L6WGA | Beam Power Amplifier |
| 6L6WGB | Beam Power Amplifier |
| 6L6WGT | Beam Power Amplifier |
| 6L6Y | Beam Power Amplifier |
| 6L7 | Heptode Converter Or Amplifier |
| 6L7G | Heptode Converter Or Amplifier |
| 6L10 | - |
| 6L12 | - |
| 6L13 | - |
| 6L16 | - |
| 6L31 | Beam Power Tube |
| 6L34 | - |
| 6L41 | Vacuum Pentode |
| 6L43 | Vacuum Pentode |
| 6LB6 | Beam Power Pentode |
| 6LB8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6LC6 | Sharp cutoff beam triode |
| 6LC8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6LD3 | - |
| 6LD12 | - |
| 6LD13 | - |
| 6LE8 | Double Pentode |
| 6LF6 | Beam Power Tube |
| 6LF8 | Triode - Pentode |
| 6LG6 | Beam Power Tube |
| 6LH6 | Sharp cutoff beam triode |
| 6LH6A | Triode, vacuum |
| 6LJ6 | Sharp cutoff beam triode |
| 6LJ6A | Triode, vacuum |
| 6LJ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6LM8 | Triode-Pentode |
| 6LM8A | Triode-Pentode |
| 6LN8 | Triode-Pentode |
| 6LP12 | - |
| 6LQ6 | Beam Power Pentode |
| 6LQ8 | Triode - Pentode |
| 6LR6 | Beam Power Tube |
| 6LR8 | Triode-Beam Power Tube |
| 6LT8 | Double Diode-Pentode |
| 6LU6 | Vacuum Pentode |
| 6LU8 | Triode-Beam Power Tube |
| 6LV6 | Beam Power Tube |
| 6LW6 | Beam Power Tube |
| 6LX6 | Beam Power Tube |
| 6LX8 | Triode - Pentode |
| 6LY8 | Triode - Pentode |
| 6LZ6 | Beam Power Tube |
| 6M1 | - |
| 6M2 | - |
| 6M3 | Half-Wave Vacuum Rectifier |
| 6M5 | - |
| 6M6G | Vacuum Pentode |
| 6M7G | Vacuum Pentode |
| 6M8G | - |
| 6M8GT | Diode-Triode-Pentode |
| 6M11 | Twin Triode - Pentode |
| 6MA6 | Sharp cutoff beam triode |
| 6MB6 | Beam Power Tube |
| 6MB8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 6MC6 | Beam Power Tube |
| 6MD8 | Triple Triode |
| 6ME6 | Beam Power Tube |
| 6ME8 | SPECIAL TUBE, other or unknown |
| 6MF8 | Triode-Beam Power Tube |
| 6MG8 | Triode - Pentode |
| 6M-H1 | - |
| 6M-HH3 | - |
| 6MJ6 | - |
| 6MJ8 | Triple Triode |
| 6MK8 | Double Pentode |
| 6MK8A | Double Pentode |
| 6ML8 | Triple Triode |
| 6MN8 | Triple Triode |
| 6MQ8 | Triode - Pentode |
| 6MU8 | Triode - Pentode |
| 6MV8 | Triode-Pentode |
| 6MY8 | Triode-Pentode |
| 6N3 | Diode |
| 6N4 | Medium Mu Triode |
| 6N5 | Electron Ray Tube |
| 6N5G | Electron Ray Tube |
| 6N6 | Direct Coupled Power Triode |
| 6N6G | Direct Coupled Power Triode |
| 6N6MG | Direct Coupled Power Triode |
| 6N7 | Duo Triode Power Amplifier |
| 6N7G | Duo Triode Power Amplifier |
| 6N7GT | Duo Triode Power Amplifier |
| 6N7GT/G | Duo Triode Power Amplifier |
| 6N7MG | Duo Triode Power Amplifier |
| 6N8 | Dupliex-Diode Pentode |
| 6P5G | Medium Mu Triode |
| 6P5GT | Medium Mu Triode |
| 6P5GT/G | Medium Mu Triode |
| 6P6 | - |
| 6P7G | Low Mu Triode |
| 6P8G | Triode-Hexode |
| 6P9 | Vacuum Pentode |
| 6P15 | Vacuum Pentode |
| 6P17 | - |
| 6P25 | - |
| 6PL12 | - |
| 6Q4 | High-Frequency Triode |
| 6Q5G | Thyratron |
| 6Q6 | Single Diode Triode |
| 6Q6G | Single Diode Triode |
| 6Q7 | Twin Diode - High Mu Triode |
| 6Q7G | Twin Diode - High Mu Triode |
| 6Q7GT | Twin Diode - High Mu Triode |
| 6Q7MG | Twin Diode - High Mu Triode |
| 6Q11 | Twin High-Mu Triode - Medium-Mu Triode |
| 6QB | - |
| 6R3 | Diode |
| 6R4 | High-Frequency Triode |
| 6R6 | Pentode Voltage Amplifier |
| 6R6G | Pentode Voltage Amplifier |
| 6R7 | Twin Diode - Medium Mu Triode |
| 6R7G | Twin Diode - Medium Mu Triode |
| 6R7GT | Twin Diode - Medium Mu Triode |
| 6R7GT/G | Twin Diode - Medium Mu Triode |
| 6R7MG | Twin Diode - Medium Mu Triode |
| 6R8 | Triple Diode - Triode |
| 6R-HH2 | - |
| 6R-HH8 | - |
| 6R-R8C | - |
| 6S2 | Half-Wave High-Volage Rectifier |
| 6S2A | Half-Wave High-Volage Rectifier |
| 6S4 | Medium Mu Triode |
| 6S4A | Medium Mu Triode |
| 6S5 | Mag. Eye, 1 shadow angle |
| 6S5G | - |
| 6S6 | Super-Control R.F. Amplifier |
| 6S6GT | Super-Control R.F. Amplifier |
| 6S7 | Remote Cutoff Pentode |
| 6S7G | Remote Cutoff Pentode |
| 6S8GT | Triple Diode - Triode |
| 6SA7 | Pentagrid Converter |
| 6SA7G | Pentagrid Converter |
| 6SA7GT | Pentagrid Converter |
| 6SA7GT/G | Pentagrid Converter |
| 6SA7GTX | Pentagrid Converter |
| 6SA7GTY | Pentagrid Converter |
| 6SA7WGT | Pentagrid Converter |
| 6SA7Y | Pentagrid Converter |
| 6SB7 | Pentagrid Converter |
| 6SB7GTY | Pentagrid Converter |
| 6SB7Y | Pentagrid Converter |
| 6SC7 | High Mu Duo Triode |
| 6SC7GT | High Mu Duo Triode |
| 6SC7GTY | High Mu Duo Triode |
| 6SD7 | Semiremote-Cutoff Pentode |
| 6SD7GT | Semiremote-Cutoff Pentode |
| 6SE7 | Sharp-Cutoff Pentode |
| 6SE7GT | Sharp-Cutoff Pentode |
| 6SF5 | High Mu Triode |
| 6SF5GT | High Mu Triode |
| 6SF7 | Diode - Remote Cutoff RF Pentode |
| 6SF7GT | Diode - Remote Cutoff RF Pentode |
| 6SG7 | Semi-Remote Cutoff RF Pentode |
| 6SG7GT | Semi-Remote Cutoff RF Pentode |
| 6SG7Y | Semi-Remote Cutoff RF Pentode |
| 6SH7 | Sharp Cutoff RF Pentode |
| 6SH7GT | Sharp Cutoff RF Pentode |
| 6SH7L | Sharp Cutoff RF Pentode |
| 6SJ7 | Sharp Cutoff RF Pentode |
| 6SJ7GT | Sharp Cutoff RF Pentode |
| 6SJ7GTX | Sharp Cutoff RF Pentode |
| 6SJ7GTY | Sharp Cutoff RF Pentode |
| 6SJ7W | Sharp Cutoff RF Pentode |
| 6SJ7WGT | Sharp Cutoff RF Pentode |
| 6SJ7WGTY | Sharp Cutoff RF Pentode |
| 6SJ7Y | Sharp Cutoff RF Pentode |
| 6SK7 | Remote Cutoff Pentode |
| 6SK7G | Remote Cutoff Pentode |
| 6SK7GT | Remote Cutoff Pentode |
| 6SK7GT/G | Remote Cutoff Pentode |
| 6SK7GTX | Remote Cutoff Pentode |
| 6SK7GTY | Remote Cutoff Pentode |
| 6SK7W | Remote Cutoff Pentode |
| 6SK7WA | Remote Cutoff Pentode |
| 6SK7WGT | Remote Cutoff Pentode |
| 6SK7Y | Remote Cutoff Pentode |
| 6SL7 | High Mu Duo Triode |
| 6SL7A | High Mu Duo Triode |
| 6SL7GT | High Mu Duo Triode |
| 6SL7GTY | High Mu Duo Triode |
| 6SL7L | High Mu Duo Triode |
| 6SL7W | High Mu Duo Triode |
| 6SL7WGT | High Mu Duo Triode |
| 6SN7 | Medium Mu Duo Triode |
| 6SN7A | Medium Mu Duo Triode |
| 6SN7GT | Medium Mu Duo Triode |
| 6SN7GTA | Medium Mu Duo Triode |
| 6SN7GTB | Medium Mu Duo Triode |
| 6SN7GTY | Medium Mu Duo Triode |
| 6SN7L | Medium Mu Duo Triode |
| 6SN7W | Medium Mu Duo Triode |
| 6SN7WGT | Medium Mu Duo Triode |
| 6SN7WGTA | Medium Mu Duo Triode |
| 6SQ7 | Duo Diode - High Mu Triode |
| 6SQ7G | Duo Diode - High Mu Triode |
| 6SQ7GT | Duo Diode - High Mu Triode |
| 6SQ7GT/G | Duo Diode - High Mu Triode |
| 6SQ7W | Duo Diode - High Mu Triode |
| 6SR7 | Twin Diode - Medium Mu Triode |
| 6SR7G | Twin Diode - Medium Mu Triode |
| 6SR7GT | Twin Diode - Medium Mu Triode |
| 6SS7 | Remote Cutoff Pentode |
| 6SS7GT | Remote Cutoff Pentode |
| 6ST7 | Twin Diode - Medium Mu Triode |
| 6SU7 | High-Mu Twin Triode |
| 6SU7GT | High-Mu Twin Triode |
| 6SU7GTX | High-Mu Twin Triode |
| 6SU7GTY | High-Mu Twin Triode |
| 6SU7WGT | High-Mu Twin Triode |
| 6SV7 | Diode Sharp-Cutoff RF Pentode |
| 6SV7GT | Diode Sharp-Cutoff RF Pentode |
| 6SZ7 | Twin Diode - High Mu Triode |
| 6T1 | Triode, vacuum |
| 6T4 | UHF Medium Mu Triode |
| 6T5 | Electron Ray Tuning Indic |
| 6T6 | Vacuum Pentode |
| 6T6GM | Vacuum Pentode |
| 6T7G | Twin Diode - High Mu Triode |
| 6T8 | Triple-diode - High Mu Triode |
| 6T8A | Triple-diode - High Mu Triode |
| 6T9 | Triode-Pentode |
| 6T10 | Beam Power Tube - Sharp-Cutoff Pentode |
| 6TE8GT | Triode-Hexode |
| 6U3 | Half-Walf High-Vacuum Rectifier |
| 6U4GT | Half-Walf High-Vacuum Rectifier |
| 6U5 | Electron Ray Indicator Tube |
| 6U5/6G5 | Electron Ray Indicator Tube |
| 6U5G | Mag. Eye, 1 shadow angle |
| 6U6 | Beam Power Amplifier |
| 6U6GT | Beam Power Amplifier |
| 6U6WGT | Beam Power Amplifier |
| 6U7G | Remote Cutoff Pentode |
| 6U8 | Hf Triode - Pentode |
| 6U8A | Hf Triode - Pentode |
| 6U9 | Triode-Pentode |
| 6U10 | Triple Triode |
| 6V3 | Damper Diode |
| 6V3A | Damper Diode |
| 6V3P | - |
| 6V4 | Full-Wave High-Vacuum Rectifier |
| 6V4GT | Full-Wave High-Vacuum Rectifier |
| 6V5 | Beam Power Amplifier |
| 6V5G | Beam Power Amplifier |
| 6V5GT | Beam Power Amplifier |
| 6V6 | Beam Power Amplifier |
| 6V6G | Beam Power Amplifier |
| 6V6GT | Beam Power Amplifier |
| 6V6GT/G | Beam Power Amplifier |
| 6V6GTA | Beam Power Amplifier |
| 6V6GTX | Beam Power Amplifier |
| 6V6GTY | Beam Power Amplifier |
| 6V6GX | Beam Power Amplifier |
| 6V6Y | Beam Power Amplifier |
| 6V7G | Twin Diode - Low Mu Triode |
| 6V8 | Triple Diode - Triode |
| 6V9 | - |
| 6W2 | - |
| 6W4 | Half-Wave High Vacuum Rectifier |
| 6W4GT | Half-Wave High Vacuum Rectifier |
| 6W4GTA | Half-Wave High Vacuum Rectifier |
| 6W5 | Full-Wave High Vacuum Rectifier |
| 6W5G | Full-Wave High Vacuum Rectifier |
| 6W5GT | Full-Wave High Vacuum Rectifier |
| 6W6 | Beam Power Amplifier |
| 6W6GT | Beam Power Amplifier |
| 6W7G | Sharp Cutoff Pentode |
| 6X2 | Half-Walf High-Voltage Rectifier |
| 6X4 | Full-Wave High Vacuum Rectifier |
| 6X4W | Full-Wave High Vacuum Rectifier |
| 6X4WA | Full-Wave High Vacuum Rectifier |
| 6X5 | Full-Wave High Vacuum Rectifier |
| 6X5G | Full-Wave High Vacuum Rectifier |
| 6X5GT | Full-Wave High Vacuum Rectifier |
| 6X5GT/G | Full-Wave High Vacuum Rectifier |
| 6X5L | Full-Wave High Vacuum Rectifier |
| 6X5MG | Full-Wave High Vacuum Rectifier |
| 6X5W | Full-Wave High Vacuum Rectifier |
| 6X5WGT | Full-Wave High Vacuum Rectifier |
| 6X6G | Electron-Ray Tube |
| 6X8 | HF Triode - Pentode |
| 6X8A | HF Triode - Pentode |
| 6X9 | Triode-Pentode |
| 6Y3 | Half-Walf High-Voltage Rectifier |
| 6Y3G | Half-Walf High-Voltage Rectifier |
| 6Y5 | Full-Wave Rectifier |
| 6Y5G | Full-Wave Rectifier |
| 6Y5GT | Full-Wave Rectifier |
| 6Y5V | Full-Wave Rectifier |
| 6Y6 | Beam Power Amplifier |
| 6Y6G | Beam Power Amplifier |
| 6Y6GA | Beam Power Amplifier |
| 6Y6GT | Beam Power Amplifier |
| 6Y7G | High Mu Twin Power Triode |
| 6Y9 | Dual Pentode |
| 6Y10 | Double Pentode |
| 6Z3 | Half-Wave Rectifier |
| 6Z4 | Full-Wave Rectifier |
| 6Z5 | Full-Wave High-Vacuum Rectifier |
| 6Z5/12Z5 | Full-Wave High-Vacuum Rectifier |
| 6Z6G | High-vacuum Rectifier |
| 6Z6GT | - |
| 6Z6MG | - |
| 6Z7G | High Mu Twin Power Triode |
| 6Z10 | SPECIAL TUBE, other or unknown |
| 6Z31 | Full-Wave Vacuum Rectifier |
| 6ZY5 | Full-Wave High-Vacuum Rectifier |
| 6ZY5G | Full-Wave High-Vacuum Rectifier |
| 7 | Ballast Tube |
| 7A2 | Vacuum Pentode |
| 7A3 | Vacuum Pentode |
| 7A4 | Medium Mu Triode |
| 7A5 | Beam Power Tube |
| 7A6 | Duo Diode |
| 7A7 | Remote Cutoff RF Pentode |
| 7A7LM | Remote Cutoff RF Pentode |
| 7A8 | Octode Converter |
| 7AB7 | Octode Converter |
| 7AD7 | Power Amplifier Pentode |
| 7AF7 | Medium Mu Twin Triode |
| 7AG7 | Sharp Cutoff RF Pentode |
| 7AH7 | Sharp Cutoff RF Pentode |
| 7AJ7 | Sharp-Cutoff RF Pentode |
| 7AK7 | Sharp-Cutoff Pentode |
| 7AN7 | Twin Triode |
| 7AP4 | PICTURE TUBE general |
| 7AU7 | Medium Mu Duo Triode |
| 7B4 | High Mu Triode |
| 7B5 | Power Amplifier Pentode |
| 7B5LT | Power Amplifier Pentode |
| 7B6 | Duo Diode - High Mu Triode |
| 7B6LM | Duo Diode - High Mu Triode |
| 7B7 | Remote Cutoff Pentode |
| 7B8 | Pentagrid Converter |
| 7B8LM | Pentagrid Converter |
| 7C4 | High Frequency Diode |
| 7C4/1203A | High Frequency Diode |
| 7C5 | Beam Power Amplifier |
| 7C5LT | Beam Power Amplifier |
| 7C6 | Duo Diode - High Mu Triode |
| 7C7 | Sharp Cutoff Pentode |
| 7C24 | Transmitting Triode, air cooled |
| 7C25 | Transmitting Triode, air cooled |
| 7C26 | Transmitting Triode, air cooled |
| 7C27 | Transmitting Triode, air cooled |
| 7CP1 | CRT (cathode ray tube, picture tube) |
| 7D3 | Vacuum Pentode |
| 7D5 | Vacuum Pentode |
| 7D6 | Vacuum Pentode |
| 7D7 | Triode-Heptode |
| 7D8 | Vacuum Pentode |
| 7D9 | Vacuum Pentode |
| 7D10 | - |
| 7D11 | - |
| 7DJ8 | VHF Duo Triode |
| 7DP4 | Television picture tube black+white |
| 7E5 | High-Frequency Triode |
| 7E5/1201 | High-Frequency Triode |
| 7E6 | Twin Diode - Medium Mu Triode |
| 7E7 | Twin Diode - Remote Cutoff Pentode |
| 7ED7 | - |
| 7EK7 | - |
| 7ES8 | - |
| 7EY6 | Beam Power Pentode |
| 7F7 | High Mu Duo Triode |
| 7F8 | Duo Triode |
| 7F8W | Duo Triode |
| 7F16 | - |
| 7FC7 | - |
| 7G7 | Sharp Cutoff Pentode |
| 7G8 | Triple Grid Amplifier |
| 7GP4 | CRT (cathode ray tube, picture tube) |
| 7GS7 | Triode-Pentode |
| 7GV7 | Triode-Pentode |
| 7H7 | Semi-Remote Cutoff Pentode |
| 7HG8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 7J7 | Triode - Heptode Converter |
| 7K7 | Twin Diode - High Mu Triode |
| 7KY6 | Twin Diode High-Mu Trio |
| 7KZ6 | Vacuum Pentode |
| 7L7 | Sharp Cutoff Pentode |
| 7N7 | Medium Mu Duo Triode |
| 7Q7 | Heptode Converter |
| 7R7 | Twin Diode - Remote Cutoff Pentode |
| 7S7 | Triode - Heptode Converter |
| 7T7 | Sharp-Cutoff Pentode |
| 7V7 | Sharp Cutoff Pentode |
| 7W7 | Sharp Cutoff Pentode |
| 7X6 | Duo Diode |
| 7X7 | Twin Diode - High Mu Triode |
| 7Y4 | Full-Wave High Vacuum Rectifier |
| 7Z4 | Full-Wave High Vacuum Rectifier |
| 8 | Ballast Tube |
| 8A1 | Vacuum Pentode |
| 8A8 | Triode-Pentode |
| 8AC9 | Double Diode-Pentode |
| 8AC10 | High-Mu Triple Triode |
| 8AC10A | High-Mu Triple Triode |
| 8AL9 | Triode-Pentode |
| 8AR11 | Double Pentode |
| 8AU8 | Triode - Pentode |
| 8AU8A | Triode - Pentode |
| 8AW8 | Triode - Pentode |
| 8AW8A | Triode - Pentode |
| 8B8 | - |
| 8B10 | Double Diode-Double Triode |
| 8BA8 | Triode - Pentode |
| 8BA8A | Triode - Pentode |
| 8BA11 | Triode-Double Pentode |
| 8BH8 | Sharp Cutoff Pentode |
| 8BM11 | Double Pentode |
| 8BN8 | Duo Diode - Triode |
| 8BN11 | Double Pentode |
| 8BQ5 | Beam Power Amplifier |
| 8BQ7A | High Frequency Twin Triode |
| 8BQ11 | Double Pentode |
| 8BU11 | Double Triode-Pentode |
| 8CB11 | Double Pentode |
| 8CG7 | Medium Mu Twin Triode |
| 8CM7 | Medium-Mu Twin Triode |
| 8CN7 | Double Diode - High Mu Triode |
| 8CS7 | Double Triode |
| 8CW5 | Vacuum Pentode |
| 8CW5A | Vacuum Pentode |
| 8CX8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 8CY7 | Dissimilar Duo Triodes |
| 8D3 | Vacuum Pentode |
| 8D4 | - |
| 8D5 | - |
| 8D6 | - |
| 8D7 | - |
| 8D8 | Vacuum Pentode |
| 8EB8 | High Mu Triode - Sharp Cutoff Pentode |
| 8EM5 | Beam Power Pentode |
| 8ET7 | Duo Diode - Pentode |
| 8FQ7 | Medium Mu Duo Triode |
| 8GJ7 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 8GK6 | - |
| 8GN8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 8GU7 | Double Triode |
| 8GX7 | Triode-Pentode |
| 8HA6 | Vacuum Pentode |
| 8HG8 | Triode-Pentode |
| 8JE8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 8JK8 | Dual VHF Triode |
| 8JL8 | Triode-Pentode |
| 8JT8 | Triode-Pentode |
| 8JU8 | - |
| 8JU8A | Quadruple Diode |
| 8JV8 | Triode-Pentode |
| 8KA8 | Triode-Pentode |
| 8KR8 | Triode-Pentode |
| 8KS8 | Triode-Pentode |
| 8LC8 | Triode-Pentode |
| 8LE8 | Double Pentode |
| 8LP4 | Television picture tube black+white |
| 8LS6 | Vacuum Pentode |
| 8LT8 | Double Diode-Pentode |
| 8MU8 | Triode-Pentode |
| 8R-HP1 | - |
| 8SN7 | Medium Mu Duo Triode |
| 8SN7GT | Medium Mu Duo Triode |
| 8SN7GTB | Medium Mu Duo Triode |
| 8U9 | Triode-Pentode |
| 8X9 | Triode-Pentode |
| 9 | Ballast Tube |
| 9A1 | Vacuum Pentode |
| 9A8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 9AH9 | Triode-Pentode |
| 9AK8 | Triple-Diode Triode |
| 9AK10 | Triple Triode |
| 9AM10 | Triple Triode |
| 9AP4 | PICTURE TUBE general |
| 9AQ8 | Twin Triode |
| 9AU7 | Medium Mu Duo Triode |
| 9BJ11 | Double Pentode |
| 9BM5 | Power Amplifier Pentode |
| 9BR7 | Twin Diode - High Mu Triode |
| 9BR8 | - |
| 9BW6 | Beam Power Amplifier |
| 9C21 | Transmitter Triode, liquid-cooling |
| 9C22 | Transmitting Triode, air cooled |
| 9C25 | Transmitting Triode, air cooled |
| 9C26 | Transmitting Triode, air cooled |
| 9CG8A | Triode-Pentode |
| 9CL8 | Medium Mu Triode - Semi-Remote Cutoff Tetrode |
| 9CP4 | PICTURE TUBE general |
| 9D2 | Vacuum Pentode |
| 9D6 | Vacuum Pentode |
| 9D7 | Vacuum Pentode |
| 9DZ8 | Triode-Pentode |
| 9EA8 | Triode-Pentode |
| 9EF6 | Beam Power Tube |
| 9EN7 | - |
| 9GB8 | - |
| 9GH8 | - |
| 9GH8A | Triode-Pentode |
| 9GV8 | High-Mu Triode - Power Pentode |
| 9JL8 | - |
| 9JP1 | CRT (cathode ray tube, picture tube) |
| 9JW8 | Triode-Pentode |
| 9KC6 | Vacuum Pentode |
| 9KX6 | Vacuum Pentode |
| 9KZ8 | Triode-Pentode |
| 9LA6 | Vacuum Pentode |
| 9LG8 | - |
| 9ML8 | Triple Triode |
| 9MN8 | Triple Triode |
| 9P9 | Vacuum Pentode |
| 9R-AL1 | - |
| 9R-HH2 | - |
| 9SN7GTB | - |
| 9U8 | HF Triode - Pentode |
| 9U8A | HF Triode - Pentode |
| 9V9 | - |
| 9X8 | Triode-Pentode |
| 10 | Power Amplifier Triode |
| 10AL11 | Beam Power Tube - Sharp-Cutoff Pentode |
| 10BP4 | Television picture tube black+white |
| 10BQ5 | Power Pentode |
| 10C8 | High Mu Triode - Sharp Cutoff Pentode |
| 10C14 | - |
| 10CW5 | Power Pentode |
| 10D1 | Double Diode |
| 10DA7 | Twin Triode |
| 10DE7 | Duo Triode |
| 10DR7 | Dissimilar Duo Triode |
| 10DX8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 10EB8 | High-Mu Triode - Sharp Cutoff Pentode |
| 10EG7 | Dissimilar Duo Triode |
| 10EM7 | Twin Triode |
| 10EW7 | Dissimilar Duo Triode |
| 10F9 | Vacuum Pentode |
| 10FD7 | Twin Triode |
| 10FES | - |
| 10FR7 | Twin Triode |
| 10GF7 | Twin Triode |
| 10GF7A | Twin Triode |
| 10GK6 | Power Pentode |
| 10GN8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 10GV8 | - |
| 10HA6 | Power Pentode |
| 10HF8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 10J10 | - |
| 10JA5 | Beam Power Tube |
| 10JA8 | Triode - Pentode |
| 10JT8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 10JY8 | Triode - Pentode |
| 10KR8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 10KU8 | Twin Diode - Sharp-Cutoff Pentode |
| 10LB8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 10LD3 | Double Diode-Triode |
| 10LD13 | Double Diode-Triode |
| 10LE8 | Twin Pentode |
| 10LW8 | Triode-Pentode |
| 10LY8 | Triode-Pentode |
| 10LZ8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 10M2 | Mag. Eye, 2 ranges, 2 shadow angles |
| 10P18 | - |
| 10PL12 | - |
| 10T10 | Beam Power Tube - Sharp-Cutoff Pentode |
| 10X | - |
| 10Y | Power Triode |
| 10Z10 | Pentode - Beam Power Tube |
| 11 | Detector Amplifier |
| 11A1 | Triode, vacuum |
| 11A2 | Double Diode-Triode |
| 11AF9 | Dual Pentode |
| 11AR11 | Semiremote-Cutoff Twin Pentode |
| 11BM8 | High-Mu Triode - Power Pentode |
| 11BQ11 | Twin Pentode |
| 11BT11 | Double Triode-Pentode |
| 11C5 | Beam Power Amplifier |
| 11CA11 | Double Triode-Pentode |
| 11CF11 | Double Triode-Pentode |
| 11CH11 | Double Triode-Pentode |
| 11CY7 | Dissimilar Duo Triodes |
| 11D3 | Double Diode-Triode |
| 11D5 | Double Diode-Triode |
| 11DS5 | Beam Power Tube |
| 11FY7 | Twin Triode |
| 11HM7 | Pentode |
| 11JE8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 11KV8 | High-Mu Triode - Sharp-Cutoff Pentode |
| 11LQ8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 11LT8 | Twin Diode - Sharp-Cutoff Pentode |
| 11LY6 | Vacuum Pentode |
| 11MS8 | Triode-Beam Power Tube |
| 11R3 | - |
| 11Y9 | Dual Pentode |
| 12 | Detector Amplifier |
| 12A | Detector Amplifier |
| 12A4 | Triode |
| 12A5 | Power Pentode |
| 12A6 | Beam Power Amplifier |
| 12A6G | Beam Power Amplifier |
| 12A6GT | Beam Power Amplifier |
| 12A6GTY | Beam Power Amplifier |
| 12A6Y | Beam Power Amplifier |
| 12A7 | Rectifier - Power Pentode |
| 12A8 | Heptode Converter |
| 12A8G | Heptode Converter |
| 12A8GT | Heptode Converter |
| 12A/112A | Detector Amplifier |
| 12AB5 | Beam Power Pentode |
| 12AB6 | Pentode |
| 12AC5 | Remote Cutoff RF Pentode |
| 12AC6 | Remote Cutoff RF Pentode |
| 12AC10A | Triple Triode |
| 12AD5 | - |
| 12AD6 | Pentagrid Converter |
| 12AD7 | Dual High-Mu Triode |
| 12AE6 | Double Diode - Medium Mu Triode |
| 12AE6A | Double Diode - Medium Mu Triode |
| 12AE7 | Dissimilar Duo Triode |
| 12AE10 | Beam Power Tube - Sharp-Cutoff Pentode |
| 12AF3 | Half-Wave Rectifier |
| 12AF6 | Remote Cutoff Pentode |
| 12AG6 | Pentagrid Converter |
| 12AH6 | - |
| 12AH7 | Medium-Mu Twin triode |
| 12AH7GT | Medium Mu Twin Triode |
| 12AH8 | Triod-Heptode Converter |
| 12AJ6 | Duo Diode - Triode |
| 12AJ7 | Triode-Heptode |
| 12AL5 | Duo Diode |
| 12AL8 | Medium Mu Triode - Space Charged Tetrode |
| 12AL11 | Beam Power Tube - Sharp-Cutoff Pentode |
| 12AP4 | PICTURE TUBE general |
| 12AQ5 | Beam Power Amplifier |
| 12AS5 | Beam Power Tube |
| 12AT6 | Duo Diode High-mu Triode |
| 12AT6A | Duo Diode High-mu Triode |
| 12AT7 | Duo Triode |
| 12AT7WA | Duo Triode |
| 12AT7WB | Duo Triode |
| 12AU5GT | Beam Power Tube |
| 12AU6 | Sharp Cutoff RF Pentode |
| 12AU6A | Sharp Cutoff RF Pentode |
| 12AU7 | Medium Mu Duo Triode |
| 12AU7A | Medium Mu Duo Triode |
| 12AU7W | Medium Mu Duo Triode |
| 12AU7WA | Medium Mu Duo Triode |
| 12AU8 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 12AV5GA | Beam Power Amplifier |
| 12AV5GT | Beam Power Amplifier |
| 12AV6 | Duo Diode - Triode |
| 12AV6A | Duo Diode - Triode |
| 12AV7 | Medimu Mu Duo Triode |
| 12AW6 | Sharp Cutoff Pentode |
| 12AX3 | Half-Wave Vacuum Rectifier |
| 12AX4GT | Damper Diode |
| 12AX4GTA | Damper Diode |
| 12AX4GTB | Damper Diode |
| 12AX7 | High Mu Duo Triode |
| 12AX7A | High Mu Duo Triode |
| 12AX7WA | High Mu Duo Triode |
| 12AY3 | Half-Wave Rectifier |
| 12AY3A | Half-Wave Rectifier |
| 12AY7 | High Mu Duo Triode |
| 12AZ7 | Duo Triode |
| 12AZ7A | Duo Triode |
| 12B3 | - |
| 12B4 | Triode |
| 12B4A | Triode |
| 12B6M | Diode-Triode |
| 12B7 | Pentode |
| 12B7ML | Pentode |
| 12B8 | Triode - Pentode |
| 12B8GT | Triode - Pentode |
| 12BA6 | Remote Cutoff RF Pentode |
| 12BA6A | Remote Cutoff RF Pentode |
| 12BA7 | Pentagrid Converter |
| 12B-B14 | - |
| 12BC32 | Double Diode-Triode |
| 12BD6 | Remote Cutoff RF Pentode |
| 12BE3 | Half-Wave Vacuum Rectifier |
| 12BE3A | Half-Wave Vacuum Rectifier |
| 12BE6 | Heptode Converter |
| 12BE6A | Heptode Converter |
| 12BF6 | Duo Diode - Triode |
| 12BF11 | Beam Power Tube - Sharp-Cutoff Pentode |
| 12BH7 | Medium Mu Duo Triode |
| 12BH7A | Medium Mu Duo Triode |
| 12BK5 | Beam Power Amplifier |
| 12BK6 | Twin Diode - High-Mu Triode |
| 12BL6 | Semi-Remote Cutoff Pentode |
| 12BM5 | - |
| 12BN6 | Gated Beam Discriminator |
| 12BN6A | Gated Beam Discriminator |
| 12BQ6 | Beam Power Pentode |
| 12BQ6GA | Beam Power Amplifier |
| 12BQ6GT | Beam Power Amplifier |
| 12BQ6GTA | Beam Power Amplifier |
| 12BQ6GTB | Beam Power Amplifier |
| 12BQ6GTB/12CU6 | Beam Power Amplifier |
| 12BR3 | Half-Wave Vacuum Rectifier |
| 12BR7 | Duo Diode Triode |
| 12BR7A | Duo Diode Triode |
| 12BS3 | Half-Wave Vacuum Rectifier |
| 12BS3A | Half-Wave Vacuum Rectifier |
| 12BT3 | Half-Wave Vacuum Rectifier |
| 12BT6 | Twin Diode-High-Mu Triode |
| 12BU6 | Twin Diode-Low-Mu Triode |
| 12BV7 | Pentode Video Amplifier |
| 12BV11 | Sharp-Cutoff Dual Pentode |
| 12BW4 | Full-Wave Rectifier |
| 12BX6 | Pentode |
| 12BY3 | Half-Wave Vacuum Rectifier |
| 12BY7 | Pentode Video Amplifier |
| 12BY7A | Pentode Video Amplifier |
| 12BZ6 | Semiremote-Cutoff Pentode |
| 12BZ7 | High Mu Twin Triode |
| 12C5 | Beam Power Amplifier |
| 12C5/12CU5 | Beam Power Amplifier |
| 12C8 | Twin Diode - Semiremote Cutoff Pentode |
| 12C8Y | Twin Diode - Semiremote Cutoff Pentode |
| 12CA5 | Beam Power Amplifier |
| 12CK3 | Half-Wave Vacuum Rectifier |
| 12CL3 | Damper, booster, flyback diode |
| 12CM6 | Beam Power Amplifier |
| 12CN5 | Sharp Cutoff Pentode |
| 12CP4 | PICTURE TUBE general |
| 12CR5 | - |
| 12CR6 | Diode Detector - Remote Cutoff Pentode |
| 12CS5 | Beam Power Pentode |
| 12CS6 | Dual Control Heptode |
| 12CT3 | Half-Wave Vacuum Rectifier |
| 12CT8 | Medium Mu Triode - Pentode Video Amplifier |
| 12CU5 | Beam Power Tube |
| 12CU5/12C5 | Beam Power Tube |
| 12CU6 | Beam Power Amplifier |
| 12CX6 | Sharp Cutoff Pentode |
| 12CY6 | Pentode |
| 12CY7 | Dissimilar Duo Triodes |
| 12D4 | Half-Wave High Vacuum Rectifier |
| 12D4A | Half-Wave High Vacuum Rectifier |
| 12DA4 | Damper |
| 12DB5 | Beam Pentode Amplifier |
| 12DB8 | - |
| 12DE8 | Diode - Remote-Cutoff Pentode |
| 12DF5 | Full-Wave Rectifier |
| 12DF7 | High-Mu Twin Triode |
| 12DJ8 | Twin Triode |
| 12DK5 | Vacuum Pentode |
| 12DK6 | Sharp-Cutoff Pentode |
| 12DK7 | Duo Diode - Tetrode |
| 12DL8 | Duo Diode - Space Charge Grid Tetrode |
| 12DM4 | Half-Wave rectifier |
| 12DM4A | Half-Wave rectifier |
| 12DM5 | Beam Power Tube |
| 12DM7 | Twin Triode |
| 12DQ4 | Half-Wave Rectifier |
| 12DQ6 | Beam Power Amplifier |
| 12DQ6A | Beam Power Amplifier |
| 12DQ6B | Beam Power Amplifier |
| 12DQ7 | Power Pentode |
| 12DS7 | Twin Diode - Power Tetrode |
| 12DS7A | Twin Diode - Power Tetrode |
| 12DT5 | Beam Power Pentode |
| 12DT6 | Sharp-Cutoff Pentode |
| 12DT7 | High-Mu Twin Triode |
| 12DT8 | High Mu Twin Triode |
| 12DU7 | Duo Diode - Tetrode |
| 12DV7 | Duo Diode - Medium Mu Triode |
| 12DV8 | Duo Diode - Space Charge Grid Tetrode |
| 12DW4 | Half-Wave Vacuum Rectifier |
| 12DW4A | Half-Wave Vacuum Rectifier |
| 12DW5 | Beam Power Pentode |
| 12DW7 | Dissimilar Duo Triodes |
| 12DW8 | Diode-Twin Triode |
| 12DY8 | Tetrode - Sharp Cutoff Triode |
| 12DZ6 | Remote Cutoff Pentode |
| 12DZ8 | Triode-Pentode |
| 12E5GT | Medium-Mu Triode |
| 12E6 | General Purpose Triode |
| 12E13 | - |
| 12EA6 | Remote Cutoff Pentode |
| 12EC8 | Medium Mu Triode - Sharp Cutoff Pentode |
| 12ED5 | Beam Power Tube |
| 12EF6 | Beam Power Amplifier |
| 12EG6 | Dual Control Heptode |
| 12EH5 | Power Pentode |
| 12EK6 | Remote Cutoff Pentode |
| 12EL6 | Double Diode - High Mu Triode |
| 12EM6 | Diode - Tetrode |
| 12EN6 | Beam Power Tube |
| 12EQ7 | Diode - Sharp Cutoff Pentode |
| 12EZ6 | Pentode |
| 12F5 | High Mu Triode |
| 12F5GT | High Mu Triode |
| 12F8 | Duo Diode - Remote Cutoff Pentode |
| 12F31 | Vacuum Pentode |
| 12FA6 | Pentagrid Converter |
| 12FB5 | Pentode |
| 12FG6 | - |
| 12FK6 | Twin Diode - Low Mu Triode |
| 12FM6 | Twin Diode - Medium Mu Triode |
| 12FQ7 | Double Triode |
| 12FQ8 | Twin Double Plate Triode |
| 12FR8 | Diode - Triode - Sharp Cutoff Pentode |
| 12FT6 | Twin Diode-Triode |
| 12FV7 | Medium-Mu Twin Triode |
| 12FX5 | Pentode |
| 12FX8 | Triode - Heptode |
| 12FX8A | Triode - Heptode |
| 12FY8 | Triode-Pentode |
| 12G4 | Medium-Mu Triode |
| 12G8 | Dissimilar Double Triode |
| 12G11 | Double Pentode |
| 12GA6 | Pentagrid Converter |
| 12G-B3 | - |
| 12G-B6 | - |
| 12G-B7 | - |
| 12GC6 | Beam Power Tube |
| 12GE5 | Beam Power Tube |
| 12GJ5 | Beam Power Pentode |
| 12G-K17 | - |
| 12GN6 | - |
| 12GN7 | Vacuum Pentode |
| 12GN7A | Vacuum Pentode |
| 12GT5 | Beam Power Pentode |
| 12GT5A | Beam Power Pentode |
| 12GV5 | - |
| 12GW6 | Beam Power Amplifier |
| 12H4 | Medium-Mu Triode |
| 12H6 | Duo Diode |
| 12H31 | Pentagrid-Converter (Heptode) |
| 12HE7 | Diode-Pentode |
| 12HG7 | Vacuum Pentode |
| 12HL5 | Beam Power Tube |
| 12HL7 | - |
| 12HU8 | - |
| 12J5 | Medium Mu Triode |
| 12J5GT | Medium Mu Triode |
| 12J5WGT | Medium Mu Triode |
| 12J7 | Sharp Cutoff Pentode |
| 12J7G | Sharp Cutoff Pentode |
| 12J7GT | Sharp Cutoff Pentode |
| 12J7GT/G | Sharp Cutoff Pentode |
| 12J8 | Duo Diode - Tetrode |
| 12JB6 | Beam Power Tube |
| 12JB6A | Beam Power Tube |
| 12JE6 | - |
| 12JF5 | Beam Power Tube |
| 12JN6 | Beam Power Tube |
| 12JN6A | Beam Power Tube |
| 12JN8 | Triode-Pentode |
| 12JQ6 | Diode - Beam Power Pentode |
| 12JS6 | Beam Power Tube |
| 12JT6 | Beam Power Tube |
| 12JT6A | Beam Power Tube |
| 12K5 | Space Charge Grid Tetrode |
| 12K7G | Remote Cutoff RF Pentode |
| 12K7GT | Remote Cutoff RF Pentode |
| 12K7GT/G | Remote Cutoff RF Pentode |
| 12K8 | Triode - Hexode Converter |
| 12K8GT | Triode - Hexode Converter |
| 12K8Y | Triode - Hexode Converter |
| 12KL8 | Diode - Sharp-Cutoff Pentode |
| 12L6 | Beam Power Tube |
| 12L6GT | Beam Power Amplifier |
| 12L8 | Twin-Pentode Power Amplifier |
| 12L8GT | Twin-Pentode Power Amplifier |
| 12MD8 | Triple Triode |
| 12Q7 | Twin Diode - High Mu Triode |
| 12Q7G | Twin Diode - High Mu Triode |
| 12Q7GT | Twin Diode - High Mu Triode |
| 12Q7GT/G | Twin Diode - High Mu Triode |
| 12R5 | Beam Power Pentode |
| 12R-K19 | - |
| 12R-LL3 | - |
| 12R-LL5 | - |
| 12S7 | Diode Remote-Cutoff Pentode |
| 12S8 | Triple Diode - Triode |
| 12S8G | Triple Diode - Triode |
| 12S8GT | Triple Diode - Triode |
| 12SA7 | Pentagrid Converter |
| 12SA7G | Pentagrid Converter |
| 12SA7GT | Pentagrid Converter |
| 12SA7GT/G | Pentagrid Converter |
| 12SA7GTY | Pentagrid Converter |
| 12SA7Y | Pentagrid Converter |
| 12SC7 | High Mu Duo Triode |
| 12SF5 | High Mu Triode |
| 12SF5GT | High Mu Triode |
| 12SF7 | Diode - Remote Cutoff RF Pentode |
| 12SF7GT | Diode - Remote Cutoff RF Pentode |
| 12SF7Y | Diode - Remote Cutoff RF Pentode |
| 12SG7 | Semi-Remote Cutoff RF Pentode |
| 12SG7GT | Semi-Remote Cutoff RF Pentode |
| 12SG7Y | Semi-Remote Cutoff RF Pentode |
| 12SH7 | Sharp Cutoff RF Pentode |
| 12SH7GT | Sharp Cutoff RF Pentode |
| 12SJ7 | Sharp Cutoff RF Pentode |
| 12SJ7GT | Sharp Cutoff RF Pentode |
| 12SK7 | Remote Cutoff Pentode |
| 12SK7G | Remote Cutoff Pentode |
| 12SK7GT | Remote Cutoff Pentode |
| 12SK7GT/G | Remote Cutoff Pentode |
| 12SK7GTY | Remote Cutoff Pentode |
| 12SK7Y | Remote Cutoff Pentode |
| 12SL7 | High Mu Duo Triode |
| 12SL7GT | High Mu Duo Triode |
| 12SN7GT | Medium Mu Duo Triode |
| 12SN7GTA | Medium Mu Duo Triode |
| 12SQ7 | Duo Diode - High Mu Triode |
| 12SQ7G | Duo Diode - High Mu Triode |
| 12SQ7GT | Duo Diode - High Mu Triode |
| 12SQ7GT/G | Duo Diode - High Mu Triode |
| 12SR7 | Twin Diode - Medium Mu Triode |
| 12SR7GT | Twin Diode - Medium Mu Triode |
| 12SW7 | Duplex Diode - Medium Mu Triode |
| 12SW7GT | Duplex Diode - Medium Mu Triode |
| 12SX7 | Medium-Mu Twin Triode |
| 12SX7GT | Medium-Mu Twin Triode |
| 12SY7 | Pentagrid Converter |
| 12SY7GT | Pentagrid Converter |
| 12T10 | Double Pentode |
| 12U5G | Mag. Eye, 1 shadow angle |
| 12U7 | Medium Mu Duo Triode |
| 12V6 | Beam Power Amplifier |
| 12V6GT | Beam Power Amplifier |
| 12W6 | Beam Power Amplifier |
| 12W6GT | Beam Power Amplifier |
| 12X3 | Half-Wave Vacuum Rectifier |
| 12X4 | Full-Wave High Vacuum Rectifier |
| 12Z3 | Half-Wave high Vacuum Rectifier |
| 12Z5 | Duo Diode |
| 13 | High-vacuum Rectifier |
| 13CM5 | - |
| 13CW4 | Triode, vacuum |
| 13D2 | Double Diode |
| 13D3 | - |
| 13DE7 | Duo Triode |
| 13DHA | Double Diode-Triode |
| 13DR7 | Duo Dissimilar Triode |
| 13EC7 | - |
| 13EM7 | Double Triode |
| 13FD7 | Double Triode |
| 13FM7 | Double Triode |
| 13FR7 | Double Triode |
| 13GB5 | Beam Power Pentode |
| 13GC8 | - |
| 13GF7 | Twin Triode |
| 13GF7A | Twin Triode |
| 13J10 | SPECIAL TUBE, other or unknown |
| 13JZ8 | Triode-Pentode |
| 13JZ8A | Triode-Pentode |
| 13PGA | HEPTODE |
| 13SPA | Vacuum Pentode |
| 13V10 | Double Pentode |
| 13VPA | Vacuum Pentode |
| 13Z10 | SPECIAL TUBE, other or unknown |
| 13Z10/13J10 | - |
| 14 | Screen Grid R.F. Amplifier |
| 14A4 | Medium Mu Triode |
| 14A5 | Beam Power Pentode |
| 14A7 | Remote Cutoff RF Pentode |
| 14A7/12B7 | Remote Cutoff RF Pentode |
| 14A7ML | Remote Cutoff RF Pentode |
| 14A7ML/12B7ML | Remote Cutoff RF Pentode |
| 14AF7 | Medium Mu Twin Triode |
| 14AF7/XXD | Medium Mu Twin Triode |
| 14B6 | Duo Diode - High Mu Triode |
| 14B8 | Pentagrid Converter |
| 14B11 | - |
| 14BL11 | Double Triode-Pentode |
| 14BR11 | Double Triode-Pentode |
| 14C5 | Beam Power Amplifier |
| 14C7 | Sharp Cutoff Pentode |
| 14DA7 | - |
| 14E6 | Duo Diode - Triode |
| 14E7 | Twin Diode - Remote Cutoff Pentode |
| 14E8 | Twin Diode Pentode |
| 14F7 | High Mu Duo Triode |
| 14F8 | Duo Triode |
| 14G6 | - |
| 14GT8 | Double Diode-Triode |
| 14GT8A | Double Diode-Triode |
| 14GW8 | Triode-Pentode |
| 14H7 | Semiremote Cutoff Pentode |
| 14J7 | Triode - Heptode Converter |
| 14JG8 | Double Diode-Triode |
| 14K7 | Triode-Hexode Converter |
| 14L7 | Duplex-Diode-Triode |
| 14N7 | Medium Mu Duo Triode |
| 14Q7 | Heptode Converter |
| 14R7 | Twin Diode - Remote Cutoff Pentode |
| 14S7 | Triode - Heptode |
| 14V7 | Vacuum Pentode |
| 14W7 | Pentode |
| 14X7 | Duo Diode - Triode |
| 14Y4 | Full-Wave Rectifier |
| 14Y7 | Full-Wave Rectifier |
| 14Z3 | Half-Wave Rectifier |
| 15 | Sharp Cutoff Pentode |
| 15A2 | Pentagrid-Converter (Heptode) |
| 15A6 | Sharp Cutoff Pentode |
| 15A8 | Triode-Pentode |
| 15AB9 | Double Tetrode |
| 15AE7 | - |
| 15AF11 | Double Triode-Pentode |
| 15BD11 | Double Triode-Pentode |
| 15BD11A | Double Triode-Pentode |
| 15CW5 | Vacuum Pentode |
| 15D2 | Pentagrid-Converter (Heptode) |
| 15DQ8 | Triode-Pentode |
| 15E | Power Triode |
| 15EA7 | Double Triode |
| 15EW6 | Vacuum Pentode |
| 15EW7 | Double Triode |
| 15FM7 | Double Triode |
| 15FY7 | Double Triode |
| 15GP22 | Television picture tube, aperture mask |
| 15HA6 | Vacuum Pentode |
| 15HB6 | Vacuum Pentode |
| 15KY8 | Triode-Pentode |
| 15KY8A | Triode-Beam Power Tube |
| 15LE8 | Double Pentode |
| 15MF8 | Triode-Beam Power Tube |
| 15MX8 | Triode-Pentode |
| 15R | - |
| 16 | Half-Wave Rectifier |
| 16A | - |
| 16A5 | Power Amplifier Pentode |
| 16A8 | Triode-Beam Power Tube |
| 16AK9 | Double Triode-Pentode |
| 16AQ3 | Half-Wave Rectifier |
| 16B | Half-Wave Rectifier |
| 16BQ11 | Double Pentode |
| 16BX11 | Double Triode-Pentode |
| 16GK6 | Vacuum Pentode |
| 16GK8 | - |
| 16GY5 | Beam Power Tube |
| 16KA6 | Vacuum Pentode |
| 16LU8 | Triode-Pentode |
| 16LU8A | Triode-Beam Power Tube |
| 16MY8 | Triode-Pentode |
| 16Y9 | Double Pentode |
| 17 | Triode General Purpose |
| 17A8 | Triode-Pentode |
| 17AB9 | Double Tetrode |
| 17AB10 | Double Pentode |
| 17AU5 | - |
| 17AV5GA | Beam Power Amplifier |
| 17AX3 | Half-Wave Vacuum Rectifier |
| 17AX4GT | Damper Diode |
| 17AX4GTA | Damper Diode |
| 17AX10 | - |
| 17AY3 | Half-Wave Vacuum Rectifier |
| 17AY3A | Half-Wave Vacuum Rectifier |
| 17BE3 | Half-Wave Vacuum Rectifier |
| 17BE3A | Half-Wave Vacuum Rectifier |
| 17BF11 | Double Pentode |
| 17BF11A | Double Pentode |
| 17BH3 | Half-Wave Rectifier |
| 17BH3A | Half-Wave Rectifier |
| 17BQ6 | Beam Power Tube |
| 17BQ6GTB | Beam Power Tube |
| 17BR3 | Half-Wave Vacuum Rectifier |
| 17BS3 | Damper, booster, flyback diode |
| 17BS3A | Half-Wave Vacuum Rectifier |
| 17BW3 | Half-Wave Vacuum Rectifier |
| 17BZ3 | Half-Wave Vacuum Rectifier |
| 17BZP4 | PICTURE TUBE general |
| 17C5 | Beam Power Amplifier |
| 17C8 | - |
| 17C9 | VHF Duo Tetrode |
| 17C9A | VHF Duo Tetrode |
| 17CA5 | Beam Power Amplifier |
| 17CK3 | Half-Wave Vacuum Rectifier |
| 17CL3 | Half-Wave Vacuum Rectifier |
| 17CQ4 | - |
| 17CT3 | Half-Wave Vacuum Rectifier |
| 17CU5 | Beam Power Tube |
| 17D4 | Half-Wave Rectifier |
| 17D4A | Half-Wave Rectifier |
| 17DA4 | Damper |
| 17DE4 | Half-Wave Rectifier |
| 17DM4 | Half-Wave Rectifier |
| 17DM4A | Half-Wave Rectifier |
| 17DQ4 | Half-Wave Vacuum Rectifier |
| 17DQ6 | Beam Power Amplifier |
| 17DQ6A | Beam Power Amplifier |
| 17DQ6B | Beam Power Amplifier |
| 17DW4 | - |
| 17DW4A | Damper, booster, flyback diode |
| 17EW8 | Double Triode |
| 17GE5 | Beam Power Tube |
| 17GJ5 | Beam Power Tube |
| 17GJ5A | Beam Power Tube |
| 17GT5 | Beam Power Tube |
| 17GT5A | Beam Power Tube |
| 17GV5 | Beam Power Tube |
| 17GW6 | Beam Power Amplifier |
| 17H3 | Damper Diode |
| 17HC8 | Triode - Pentode |
| 17JB6 | Beam Power Tube |
| 17JB6A | - |
| 17JF6 | Beam Power Tube |
| 17JG6 | Beam Power Tube |
| 17JG6A | Beam Power Tube |
| 17JK8 | Dual VHF Triode |
| 17JM6 | Beam Power Tube |
| 17JM6A | Beam Power Tube |
| 17JN6 | Beam Power Tube |
| 17JN6A | Beam Power Tube |
| 17JQ6 | SPECIAL TUBE, other or unknown |
| 17JR6 | Beam Power Tube |
| 17JT6 | Beam Power Tube |
| 17JT6A | Beam Power Tube |
| 17JZ8 | Triode-Pentode |
| 17JZ8A | Triode-Pentode |
| 17K8 | - |
| 17KV6 | Beam Power Tube |
| 17KV6A | Beam Power Tube |
| 17L6 | Beam Power Amplifier |
| 17L6GT | Beam Power Amplifier |
| 17LD8 | Triode-Pentode |
| 17N8 | - |
| 17Q6 | - |
| 17R5 | Beam Power Pentode |
| 17W6 | - |
| 17W6GT | Beam Power Tube |
| 17X10 | Double Pentode |
| 17Z3 | Half-Wave High Vacuum Rectifier |
| 18 | Pentode Power Amplifier |
| 18A5 | Beam Power Pentode |
| 18AJ10 | Double Pentode |
| 18AK5 | - |
| 18DZ8 | Triode-Pentode |
| 18FW6 | Semi-Remote Cutoff Pentode |
| 18FW6A | Semi-Remote Cutoff Pentode |
| 18FX6 | Pentagrid Converter |
| 18FX6A | Pentagrid Converter |
| 18FY6 | Duo Diode - Triode |
| 18FY6A | Duo Diode - Triode |
| 18GB5 | Beam Power Tube |
| 18GD6 | RF Pentode |
| 18GD6A | RF Pentode |
| 18GE6 | Duo Diode - Triode |
| 18GE6A | Duo Diode - Triode |
| 18GV8 | Triode-Pentode |
| 18HB8 | Triode-Beam Power Amplifier |
| 18MA4 | Television picture tube black+white |
| 19 | High Mu Twin Power Triode |
| 19AJ8 | Triode-Heptode |
| 19AQ5 | Beam Power Amplifier |
| 19ASP4 | Television picture tube black+white |
| 19AU4 | Half-Wave Rectifier |
| 19AU4GT | Half-Wave Rectifier |
| 19AU4GTA | Half-Wave Rectifier |
| 19BD | - |
| 19BG6 | Beam Power Amplifier |
| 19BG6G | Beam Power Amplifier |
| 19BG6GA | Beam Power Amplifier |
| 19C8 | Triple Diode - Triode |
| 19CG3 | Half-Wave Vacuum Rectifier |
| 19CL8A | Triode-Pentode |
| 19CL8B | Triode-Tetrode |
| 19CS4 | - |
| 19D8 | Triode-Heptode |
| 19DE3 | Half-Wave Vacuum Rectifier |
| 19DE7 | Double Triode |
| 19DK3 | Half-Wave Vacuum Rectifier |
| 19DQ3 | Half-Wave Vacuum Rectifier |
| 19EA8 | Triode-Pentode |
| 19EA8A | Triode-Pentode |
| 19EW7 | Double Triode |
| 19EZ8 | Triple Triode |
| 19FX5 | Vacuum Pentode |
| 19G3 | Half-Wave Vacuum Rectifier |
| 19GQ7 | Triple Diode |
| 19H4 | Half-Wave Vacuum Rectifier |
| 19HR6 | Vacuum Pentode |
| 19HS6 | Vacuum Pentode |
| 19HV8 | Triode-Pentode |
| 19J6 | Medium Mu Duo Triode |
| 19JN8 | Triode-Pentode |
| 19KF6 | - |
| 19KG8 | Triode-Pentode |
| 19LL8 | - |
| 19M-R9 | - |
| 19M-R10 | - |
| 19Q9 | Triode-Pentode |
| 19SU | - |
| 19T8 | Triple-diode - High Mu Triode |
| 19T8A | Triple-diode - High Mu Triode |
| 19U3 | - |
| 19V8 | Triple Diode - Triode |
| 19W3 | Half-Wave Vacuum Rectifier |
| 19X3 | Half-Wave High-Vacuum Rectifier |
| 19X8 | Hf Medium Mu Triode - Sharp Cutoff Pentode |
| 19Y3 | Half-Wave High-Vacuum Rectifier |
| 20 | Power Triode |
| 20A3 | - |
| 20AQ3 | - |
| 20D2 | Triode-Hexode |
| 20D3 | - |
| 20D4 | - |
| 20EQ7 | Diode - Sharp Cutoff Pentode |
| 20EW7 | Double Triode |
| 20EZ7 | Double Triode |
| 20J8 | Triode-Heptode |
| 20J8GM | Triode-Heptode |
| 20LF6 | - |
| 21A6 | Beam Power Amplifier |
| 21A7 | Triode Hexode Converter |
| 21B6 | Beam Power Amplifier |
| 21CEP4 | Television picture tube black+white |
| 21EX6 | Beam Power Amplifier |
| 21GY5 | Beam Power Tube |
| 21HB5 | Beam Power Tube |
| 21HB5A | Beam Power Tube |
| 21HD5 | Vacuum Pentode |
| 21HJ5 | Vacuum Pentode |
| 21JS6A | Beam Power Tube |
| 21JV6 | Vacuum Pentode |
| 21JZ6 | Beam Power Tube |
| 21KA6 | Beam Power Tube |
| 21KQ6 | Beam Power Tube |
| 21LG6 | Beam Power Tube |
| 21LG6A | Beam Power Tube |
| 21LQ6 | - |
| 21LR8 | Triode-Beam Power Tube |
| 21LU8 | Triode-Beam Power Tube |
| 21MY8 | Triode-Pentode |
| 22 | Sharp Cutoff Tetrode |
| 22BH3 | Half-Wave Vacuum Rectifier |
| 22BH3A | Half-Wave Vacuum Rectifier |
| 22BW3 | Half-Wave Vacuum Rectifier |
| 22DE4 | Half-Wave Rectifier |
| 22JF6 | Beam Power Tube |
| 22JG6 | Beam Power Tube |
| 22JG6A | Beam Power Tube |
| 22JR6 | Beam Power Tube |
| 22JU6 | Beam Power Tube |
| 22KM6 | Beam Power Tube |
| 22KV6 | - |
| 22KV6A | Beam Power Tube |
| 22V/310A | Full-Wave Rectifier gas filled |
| 23AYP4 | Television picture tube black+white |
| 23DHP4 | Television picture tube black+white |
| 23JS6 | - |
| 23JS6A | Beam Power Tube |
| 23MB6 | Beam Power Tube |
| 23SP4 | Television picture tube black+white |
| 23Z9 | Double Triode-Pentode |
| 24 | Sharp Cutoff Tetrode |
| 24A | Sharp Cutoff Tetrode |
| 24BF11 | Double Pentode |
| 24G | Power Triode |
| 24GA7 | - |
| 24JE6 | - |
| 24JE6A | Beam Power Tube |
| 24JE6C | Beam Power Tube |
| 24JZ8 | Triode-Pentode |
| 24LQ6 | Beam Power Tube |
| 24LZ6 | Beam Power Tube |
| 24S | Sharp Cutoff Tetrode |
| 25 | Twin Diode - Medium Mu Triode |
| 25A6 | Power Amplifier Pentode |
| 25A6G | Power Amplifier Pentode |
| 25A6GT | Power Amplifier Pentode |
| 25A6GT/G | Power Amplifier Pentode |
| 25A6MG | Power Amplifier Pentode |
| 25A7 | Half-Wave Rectifier, Power Amplifier Pentode |
| 25A7G | Half-Wave Rectifier, Power Amplifier Pentode |
| 25A7GT | Half-Wave Rectifier, Power Amplifier Pentode |
| 25A7GT/G | Half-Wave Rectifier, Power Amplifier Pentode |
| 25AC5 | High Mu Power Triode |
| 25AC5G | High Mu Power Triode |
| 25AC5GT | High Mu Power Triode |
| 25AC5GT/G | High Mu Power Triode |
| 25AV5 | Beam Power Amplifier |
| 25AV5GA | Beam Power Amplifier |
| 25AV5GT | Beam Power Amplifier |
| 25AX4 | Half-Wave High Vacuum Rectifier |
| 25AX4GT | Half-Wave High Vacuum Rectifier |
| 25B5 | Direct Coupled Power Amplifier |
| 25B6 | Power Amplifier Pentode |
| 25B6G | Power Amplifier Pentode |
| 25B6GT | Power Amplifier Pentode |
| 25B8 | Triode - Remote Cutoff Pentode |
| 25B8GT | Triode - Remote Cutoff Pentode |
| 25BK5 | Beam Power Amplifier |
| 25BQ6 | Beam Power Amplifier |
| 25BQ6GA | Beam Power Amplifier |
| 25BQ6GT | Beam Power Amplifier |
| 25BQ6GTB | Beam Power Amplifier |
| 25BQ6GTB/25CU6 | Beam Power Amplifier |
| 25BR3 | Half-Wave Vacuum Rectifier |
| 25BX5 | - |
| 25C5 | Beam Power Amplifier |
| 25C6 | Beam Power Amplifier |
| 25C6G | Beam Power Amplifier |
| 25C6GA | Beam Power Amplifier |
| 25CA5 | Beam Power Amplifier |
| 25CD6 | Beam Power Amplifier |
| 25CD6G | Beam Power Amplifier |
| 25CD6GA | Beam Power Amplifier |
| 25CD6GB | Beam Power Amplifier |
| 25CG3 | Half-Wave Rectifier |
| 25CK3 | Half-Wave Rectifier |
| 25CM3 | Half-Wave Rectifier |
| 25CR5 | Beam Power Tube |
| 25CT3 | Half-Wave Rectifier |
| 25CU6 | Beam Power Amplifier |
| 25D4 | Half-Wave Rectifier |
| 25D8 | Diode - Triode - Pentode |
| 25D8GT | Diode - Triode - Pentode |
| 25DK3 | Half-Wave Rectifier |
| 25DK4 | Half-Wave Rectifier |
| 25DL3 | Half-Wave Rectifier |
| 25DN6 | Beam Power Amplifier |
| 25DQ6 | Beam Power Amplifier |
| 25DQ6A | Beam Power Amplifier |
| 25DT5 | Beam Power Pentode |
| 25E5 | Beam Power Amplifier |
| 25E6 | Line Output Pentode |
| 25EC6 | Beam Power Tube |
| 25EH5 | Power Pentode |
| 25EH6 | - |
| 25F5 | Beam Power Pentode |
| 25F5A | Beam Power Pentode |
| 25FY8 | Triode-Pentode |
| 25G-86 | - |
| 25GF6 | Beam Power Amplifier |
| 25HX5 | Beam Power Tube |
| 25JQ6 | Diode-Pentode |
| 25JZ8 | Triode-Pentode |
| 25L6 | Beam Power Amplifier |
| 25L6G | Beam Power Amplifier |
| 25L6GT | Beam Power Amplifier |
| 25L6GT/G | Beam Power Amplifier |
| 25L7G | - |
| 25L7GT | - |
| 25L7GT/G | - |
| 25N6 | Direct Coupled Twin Power Amplifier |
| 25N6G | Direct Coupled Twin Power Amplifier |
| 25QP20 | Television picture tube black+white |
| 25R-K19 | Diode |
| 25S | Twin Diode - Medium Mu Triode |
| 25T | Power Triode |
| 25U4GT | Half-Wave High-Vacuum Rectifier |
| 25W4 | Half-Wave High-Vacuum Rectifier |
| 25W4GT | Half-Wave High-Vacuum Rectifier |
| 25W6 | Beam Power Amplifier |
| 25W6GT | Beam Power Amplifier |
| 25X6 | Voltage Doubling Rectifie |
| 25X6GT | High-vacuum Rectifier |
| 25Y4 | Half-Wave Rectifier |
| 25Y4GT | Half-Wave Rectifier |
| 25Y5 | Rectifier Doubler |
| 25Z3 | Half-Wave Rectifier |
| 25Z4 | Half-Wave Rectifier |
| 25Z4GT | Half-Wave Rectifier |
| 25Z5 | Rectifier Doubler |
| 25Z5MG | Rectifier Doubler |
| 25Z6 | Rectifier Doubler |
| 25Z6G | Rectifier Doubler |
| 25Z6GT | Rectifier Doubler |
| 25Z6GT/G | Rectifier Doubler |
| 25Z6MG | Rectifier Doubler |
| 25Z6WGT | Rectifier Doubler |
| 26 | Medium Mu Triode |
| 26A6 | Remote-Cutoff R.F Pentode |
| 26A7 | Dual Pentode Power Amplifier |
| 26A7GT | Dual Pentode Power Amplifier |
| 26B6 | - |
| 26BK6 | Dual Diode - Triode |
| 26C6 | Duo Diode - Triode |
| 26CG6 | Remote-Cutoff Pentode |
| 26D6 | Heptode Converter |
| 26E6G | Beam Power Amplifier |
| 26E6WG | Beam Power Amplifier |
| 26E6WGB | Beam Power Amplifier |
| 26E7 | - |
| 26HU5 | Beam Power Amplifier |
| 26LW6 | Beam Power Tube |
| 26LX6 | Beam Power Amplifier |
| 26Z5 | Full-Wave High-Vacuum Rectifier |
| 26Z5W | Full-Wave High-Vacuum Rectifier |
| 27 | Low Mu Triode |
| 27A | Low Mu Triode |
| 27GB5 | Beam Power Amplifier |
| 27KG6 | Beam Power Tube |
| 27S | Low Mu Triode |
| 28D7 | Twin Beam Amplifier |
| 28D7W | Twin Beam Amplifier |
| 28EC4 | - |
| 28GB5 | Beam Power Tube |
| 28HA6 | Power Pentode |
| 28HD5 | Beam Pentode |
| 28Z5 | Full-Wave Rectifier |
| 29 | Special Detector |
| 29GK6 | Beam Power Tube |
| 29KQ6 | Beam Power Tube |
| 29LE6 | Beam Power Tube |
| 30 | Medium Mu Triode |
| 30A5 | Output Pentode |
| 30AE3 | Booster Diode |
| 30AG11 | Double Diode-Double Triode |
| 30C15 | Triode Pentode Frequency Changer |
| 30C18 | Triode Pentode |
| 30Cl | - |
| 30CW5 | AF Output Pentode |
| 30F5 | Pentode |
| 30FL1 | Triode Beam Tetrode |
| 30HD5 | - |
| 30HJ5 | Beam Pentode |
| 30JA6 | - |
| 30JZ6 | Beam Pentode |
| 30KD6 | Triode Pentode |
| 30L1 | - |
| 30L15 | - |
| 30MB6 | Beam Power Tube |
| 30P4 | - |
| 30P12 | Beam Tetrode |
| 30P16 | - |
| 30P18 | - |
| 30P19 | - |
| 30PL1 | - |
| 30PL10 | - |
| 30PL13 | - |
| 30PL14 | - |
| 30PLl2 | - |
| 31 | Medium Mu Triode |
| 31A3 | Half-Wave High-Vacuum Rectifier |
| 31AL10 | Duo-Triode Pentode |
| 31BX7GT | - |
| 31JS6A | Beam Pentode |
| 31JS6C | Beam Pentode |
| 31LQ6 | Beam Power Tube |
| 31LR8 | Beam Power Pentode |
| 31LZ6 | Beam Power Tube |
| 31Z | Double Triode |
| 32 | Sharp Cutoff Tetrode |
| 32A8 | Triode Pentode |
| 32ET5 | Power Pentode |
| 32ET5A | Power Pentode |
| 32GA7 | - |
| 32HQ3 | - |
| 32HQ7 | Diode Pentode |
| 32L7 | Beam Power Amplifier Rect |
| 32L7GT | Rectifier - Beam Power Pentode |
| 33 | Power Pentode |
| 33GT7 | Diode Pentode |
| 33GY7 | Diode Pentode |
| 33GY7A | Diode Pentode |
| 33HE7 | Duodecar Diode Pentode |
| 33JR6 | Beam Power Tube |
| 33JV6 | Beam Pentode |
| 34 | Remote Cutoff Pentode |
| 34CD3 | Diode |
| 34CE3 | Pentagride Amplifier |
| 34CM3 | Half-Wave Rectifier |
| 34DK3 | Diode |
| 34GD5 | Beam Power Tube |
| 34GD5A | Beam Power Tube |
| 34R3 | Damper Diode Tube |
| 35 | Remote Cutoff Tetrode |
| 35/51 | Remote Cutoff Tetrode |
| 35A3 | Half-Wave Rectifier |
| 35A5 | Beam Power Amplifier |
| 35A5LT | Beam Power Amplifier |
| 35B5 | Beam Power Amplifier |
| 35C3 | Half-Wave Rectifier |
| 35C5 | Beam Power Amplifier |
| 35C5A | Beam Power Amplifier |
| 35CD6 | Beam Power Amplifier |
| 35CD6GA | Beam Power Amplifier |
| 35D5 | Beam Power Tube |
| 35DZ8 | High-Mu Triode - Power Pe |
| 35EH5 | Power Pentode |
| 35EH5A | Power Pentode |
| 35FN5 | Power Pentode |
| 35GL6 | Beam Power Tube |
| 35HB8 | Triode-Beam Power Amplifier |
| 35L6 | Beam Power Amplifier |
| 35L6G | Beam Power Amplifier |
| 35L6GT | Beam Power Amplifier |
| 35L6GT/G | Beam Power Amplifier |
| 35LR6 | Beam Power Amplifier |
| 35S | Remote Cutoff Tetrode |
| 35S/51S | Remote Cutoff Tetrode |
| 35T | Power Triode |
| 35TG | Power Triode |
| 35W4 | Half-Wave High-Vacuum Rectifier |
| 35W4A | Half-Wave High-Vacuum Rectifier |
| 35X4 | Half-Wave Vacuum Rectifier |
| 35Y4 | Half-Wave High-Vacuum Rectifier |
| 35Z3 | Half-Wave High-Vacuum Rectifier |
| 35Z3LT | Half-Wave High-Vacuum Rectifier |
| 35Z4 | Half-Wave High-Vacuum Rectifier |
| 35Z4GT | Half-Wave High-Vacuum Rectifier |
| 35Z5 | Half-Wave High-Vacuum Rectifier |
| 35Z5G | Half-Wave High-Vacuum Rectifier |
| 35Z5GT | Half-Wave High-Vacuum Rectifier |
| 35Z5GT/G | Half-Wave High-Vacuum Rectifier |
| 35Z6 | High Vacuum Rectifier Doubler |
| 35Z6G | High Vacuum Rectifier Doubler |
| 35Z6GT | High Vacuum Rectifier Doubler |
| 36 | Sharp Cutoff Tetrode |
| 36A | Sharp Cutoff Tetrode |
| 36AM3 | Half-Wave Vacuum Rectifier |
| 36AM3A | Half-Wave Vacuum Rectifier |
| 36AM3B | Half-Wave Vacuum Rectifier |
| 36KD6 | Beam Pentode |
| 36MC6 | Beam Power Tube |
| 37 | Medium Mu Triode |
| 37A | Medium Mu Triode |
| 38 | Power Pentode |
| 38A | Power Pentode |
| 38A3 | Rectifier |
| 38HE7 | Diode - Beam Power Tube |
| 38HK7 | Diode Pentode |
| 39 | Remote Cutoff Pentode |
| 39/44 | Remote Cutoff Pentode |
| 39A | Remote Cutoff Pentode |
| 40 | Medium Mu Triode |
| 40A1 | Ballast |
| 40B2 | Ballast |
| 40DK6 | - |
| 40FA5 | - |
| 40FR5 | Pentode |
| 40KD6 | Beam Power Tube |
| 40KG6 | Power Pentode |
| 40PPA | Vacuum Pentode |
| 40SUA | Half-Wave Rectifier |
| 40Z5 | Half-Wave Rectifier |
| 40Z5/45Z5GT | Half-Wave Rectifier |
| 40Z5GT | Half-Wave Rectifier |
| 41 | Power Pentode |
| 41MH | Triode, vacuum |
| 41MHL | Triode, vacuum |
| 41MP | Triode, vacuum |
| 41MPG | Pentagrid-Converter (Heptode) |
| 41MXP | Triode, vacuum |
| 42 | Power Pentode |
| 42A1 | Ballast Tube |
| 42A2 | Ballast Tube |
| 42B2 | Ballast Tube |
| 42E | Vacuum Pentode |
| 42EC4 | - |
| 42JB6 | - |
| 42KN6 | Horizontal Deflection Amplifier |
| 42MP/Pen | Vacuum Pentode |
| 43 | Power Pentode |
| 43MG | Power Pentode |
| 44 | Remote Cutoff Pentode |
| 44SU | High-vacuum Rectifier |
| 45 | Power Triode |
| 45A | Power Triode |
| 45A5 | Power Amplifier Pentode |
| 45B5 | Power Pentode |
| 45Z3 | Half-Wave Vacuum Rectifier |
| 45Z5 | Half-Wave Rectifier |
| 45Z5GT | Half-Wave Vacuum Rectifier |
| 46 | Dual Grid Power Amplifier |
| 46A1 | Ballast Lamp |
| 46B1 | Ballast Lamp |
| 47 | Power Pentode |
| 48 | Power Tetrode |
| 49 | Dual Grid Power Amplifier |
| 49A1 | Ballast Lamp |
| 49A2 | Ballast Lamp |
| 49B2 | Ballast Lamp |
| 50 | Power Triode |
| 50A1 | Ballast |
| 50A2 | Triode, vacuum |
| 50A5 | Beam Power Amplifier |
| 50AX5 | - |
| 50AX6G | Full-Wave Rectifier |
| 50AX6GT | Full-Wave Rectifier |
| 50B2 | Current Regulator, Iron in Hydrogen |
| 50B5 | Beam Power Amplifier |
| 50BK5 | Beam Power Amplifier |
| 50BM8 | Hi-Mu Triode - Power Pentode |
| 50C5 | Beam Power Amplifier |
| 50C5A | Beam Power Amplifier |
| 50C6 | Beam Power Amplifier |
| 50C6G | Beam Power Pentode |
| 50C6GA | Beam Power Pentode |
| 50CA5 | Beam Power Amplifier |
| 50CD6G | Beam Power Amplifier |
| 50DC4 | Half-Wave Rectifier |
| 50E5 | Beam Power Tube |
| 50E6 | - |
| 50EH5 | Power Pentode |
| 50EH5A | Power Pentode |
| 50FA5 | Beam Power Amplifier |
| 50FE5 | Beam Power Pentode |
| 50FK5 | Power Pentode |
| 50FY8 | High Mu Triode, Beam Power Amplifier |
| 50GY7 | Diode Beam Power Tube |
| 50GY7A | Diode Beam Power Tube |
| 50HC6 | AF Power Pentode |
| 50HK6 | Beam Pentode |
| 50HN5 | Beam Power Amplifier |
| 50JY6 | Beam Power Tube |
| 50L6 | Beam Power Amplifier |
| 50L6G | Beam Power Amplifier |
| 50L6GT | Beam Power Amplifier |
| 50X6 | Rectifier Doubler |
| 50Y6G | Full-Wave Rectifier |
| 50Y6GT | Full-Wave Rectifier |
| 50Y6GT/G | Full-Wave Rectifier |
| 50Y7 | Rectifier-Doubler |
| 50Y7GT | Rectifier Doubler |
| 50Z6 | Voltage Doubling Rectifie |
| 50Z6G | Voltage Doubling Rectifie |
| 50Z7 | Full-Wave Rectifier |
| 50Z7G | Full-Wave Rectifier |
| 50Z7GT | Full-Wave Rectifier |
| 51 | Remote Cutoff Tetrode |
| 51S | Remote Cutoff Tetrode |
| 52 | Dual Grid Triode |
| 52KU | Full-Wave Vacuum Rectifier |
| 53 | High-mu Twin Power Triode |
| 53HK7 | Diode - Pentode |
| 53KU | Full-Wave Vacuum Rectifier |
| 54KU | Full-Wave Vacuum Rectifier |
| 55 | Twin Diode - Low Mu Triode |
| 55A1 | Ballast Lamp |
| 55A2 | Ballast Lamp |
| 55B2 | Ballast Lamp |
| 55N3 | - |
| 55S | Twin Diode - Low Mu Triode |
| 56 | Medium Mu Triode |
| 56A | Medium Mu Triode |
| 56AS | Medium Mu Triode |
| 56F12 | - |
| 56R9 | Triode - Pentode |
| 56S | Medium Mu Triode |
| 57 | Sharp Cutoff Pentode |
| 57A | Sharp Cutoff Pentode |
| 57AS | Sharp Cutoff Pentode |
| 57S | Sharp Cutoff Pentode |
| 58 | Remote Cutoff Pentode |
| 58A | Super Control R.F. Amplif |
| 58AS | Remote Cutoff Pentode |
| 58HE7 | Damper Diode - Horizontal Amp |
| 58S | Remote Cutoff Pentode |
| 59 | Triple Grid Power Amplifier |
| 59B | Triple Grid Power Amplifier |
| 60E3 | Half-Wave Rectifier |
| 60EH5 | - |
| 60FX5 | Power Pentode |
| 60HL5 | Beam Power Amplifier |
| 62DDT | - |
| 62TH | - |
| 62VP | - |
| 63TP | - |
| 64 | Tetrode |
| 64A | Tetrode |
| 64ME | - |
| 64SPT | - |
| 65 | Tetrode |
| 65A | Tetrode |
| 65ME | - |
| 66KU | - |
| 67 | Triode |
| 67A | Triode |
| 67PT | - |
| 68 | Pentode Power Amplifier |
| 68A | Pentode Power Amplifier |
| 69 | Detector Double Grid |
| 70 | Detector Double Grid |
| 70A7 | Half-Wave Rectifier - Beam Power Pentode |
| 70A7GT | Half-Wave Rectifier - Beam Power Pentode |
| 70E6 | Twin Diode-Medium-Mu Tr |
| 70L7 | Rectifier - Beam Power Pentode |
| 70L7GT | Rectifier - Beam Power Pentode |
| 71 | Power Triode |
| 71A | Power Triode |
| 71B | Power Triode |
| 72 | Half-Wave Vacuum Rectifier |
| 73 | High-vacuum Rectifier |
| 75 | Twin Diode - High Mu Triode |
| 75S | Twin Diode - High Mu Triode |
| 75TH | Power Triode |
| 75TL | Power Triode |
| 76 | Medium Mu Triode |
| 77 | Sharp Cutoff Pentode |
| 78 | Remote Cutoff Pentode |
| 78E | Vacuum Pentode |
| 79 | High Mu Twin Power Triode |
| 80 | Full-Wave Rectifier |
| 80A1 | Ballast Lamp |
| 80A2 | Ballast Lamp |
| 80B2 | Ballast Lamp |
| 80M | Full-Wave Rectifier |
| 80S | Full-Wave Vacuum Rectifier |
| 81 | Half-Wave Rectifier |
| 81A | - |
| 81M | Full-Wave Rectifier |
| 82 | Full-Wave Mercury Vapor Rectifier |
| 82V | Full-Wave Mercury Vapor Rectifier |
| 83 | Full-Wave Rectifier |
| 83A1 | Voltage Regulator, single |
| 83V | Full-Wave Rectifier |
| 84 | Full-Wave Rectifier |
| 84/6Z4 | Full-Wave Rectifier |
| 85 | Twin Diode - Low Mu Triode |
| 85A | Twin Diode Triode |
| 85A1 | Voltage Regulator, single |
| 85A2 | Voltage Reference Tube |
| 85A3 | - |
| 85AS | Twin Diode - Low Mu Triode |
| 85S | Twin Diode - Low Mu Triode |
| 86A1 | Ballast Lamp |
| 86A2 | Ballast Lamp |
| 86B2 | Ballast Lamp |
| 88 | Full-Wave Rectifier |
| 89 | Triple Grid Power Amplifier |
| 89Y | Triple Grid Power Amplifier |
| 90 | Detector Double Grid |
| 92 | Detector Double Grid |
| 92A1 | Ballast Lamp |
| 92A2 | Ballast Lamp |
| 92B2 | Ballast Lamp |
| 95 | Pentode Power Amplifier |
| 96 | Half-Wave Rectifier |
| 98 | Full-Wave Rectifier |
| 100E1 | Voltage Regulator, single |
| 100TH | Power Triode |
| 100TL | Power Triode |
| 105 | Triode, vacuum |
| 108C1 | Voltage Regulator, single |
| 111H | Triode, vacuum |
| 112 | Triode, vacuum |
| 112A | Detector Amplifier Triode |
| 117L7/M7GT | Rectifier - Beam Power Pentode |
| 117L7GT | Rectifier - Beam Power Pentode |
| 117M7GT | Rectifier - Beam Power Pentode |
| 117N7GT | Rectifier - Beam Power Pentode |
| 117P7GT | Rectifier - Beam Power Pentode |
| 117Z3 | Half-Wave Rectifier |
| 117Z4 | Half-Wave Rectifier |
| 117Z4GT | Half-Wave Rectifier |
| 117Z6 | Rectifier Doubler |
| 117Z6G | Rectifier Doubler |
| 117Z6GT | Rectifier Doubler |
| 117Z6GT/G | Rectifier Doubler |
| 121VP | - |
| 140R | Ballast Lamp |
| 140R4 | Ballast Lamp |
| 140R8 | Ballast Lamp |
| 141DDT | - |
| 141TH | - |
| 150B2 | Voltage Regulator, single |
| 150C1 | Voltage Regulator, single |
| 150C1K | Voltage Regulator, single |
| 150C2 | Voltage Regulator, single |
| 150C3 | Voltage Regulator, single |
| 150C4 | - |
| 152TH | Power Triode |
| 152TL | Power Triode |
| 155SF | - |
| 163PEN | - |
| 171A | Power Triode |
| 171DDP | - |
| 172 | - |
| 181 | Power Amplifier Triode |
| 182A | Power Amplifier Triode |
| 182B | Power Amplifier Triode |
| 182B/482B | Power Amplifier Triode |
| 183 | Power Triode |
| 183/483 | Power Triode |
| 200C | - |
| 201A | Triode, vacuum |
| 202 | Triode, vacuum |
| 203 | - |
| 203A | Power Triode |
| 203H | Transmitting Triode, air cooled |
| 204A | Power Triode |
| 205 | - |
| 205E | Triode, vacuum |
| 206 | Triode, vacuum |
| 207 | Transmitter Triode, liquid-cooling |
| 210DET | Gas Triode |
| 210HL | TRIODE (Detail uncertain) |
| 210LF | Triode, vacuum |
| 210PG | Pentagrid-Converter (Heptode) |
| 210RC | Triode, vacuum |
| 210SPT | Vacuum Pentode |
| 210T | Triode |
| 210VPT | Vacuum Pentode |
| 211 | Power Triode |
| 211B | Transmitting Triode, air cooled |
| 211C | Transmitting Triode, air cooled |
| 211H | Transmitting Triode, air cooled |
| 212E | Triode, vacuum |
| 213 | Full-Wave Rectifier |
| 213B | Full-Wave Vacuum Rectifier |
| 213PEN | - |
| 215 | - |
| 215A | Triode, vacuum |
| 215P | Triode, vacuum |
| 215SG | Screen-grid Tetrode |
| 216 | Half-Wave Rectifier |
| 217C | Half-Wave Vacuum Rectifier |
| 220B | Double Triode |
| 220C | Transmitter Triode, liquid-cooling |
| 220DD | Double Diode |
| 220HPT | Vacuum Pentode |
| 220P | Triode, vacuum |
| 220PA | Triode, vacuum |
| 220PT | Vacuum Pentode |
| 220R | Transmitting Triode, air cooled |
| 220SG | Screen-grid Tetrode |
| 220VS | Screen-grid Tetrode |
| 220VSG | Screen-grid Tetrode |
| 222A | High-vacuum Rectifier |
| 224 | Sharp-Cutoff Tetrode |
| 226 | Medium-Mu Triode |
| 227 | Medium-Mu Triode |
| 230XP | Triode, vacuum |
| 232C | Transmitter Triode, liquid-cooling |
| 235 | Remote-Cutoff RF Tetrode |
| 237A | High-vacuum Rectifier |
| 240B | Double Triode |
| 242B | Transmitting Triode, air cooled |
| 245 | Power Amplifier Triode |
| 247 | Power Amplifier Triode |
| 249B | Half-Wave Mercury-Vapor Rectifier |
| 250R | High-vacuum Rectifier |
| 250TH | Power Triode |
| 250TL | Power Triode |
| 251A | Transmitting Triode, air cooled |
| 254 | Power Triode |
| 254A | Power Tetrode |
| 254B | Power Tetrode |
| 257 | Power Amplifier Pentode |
| 258B | Half-Wave Mercury-Vapor Rectifier |
| 259A | - |
| 259B | - |
| 261A | Transmitting Triode, air cooled |
| 264 | Triode - Non Microphonic |
| 266B | High Voltage Half-Wave Mercury-Vapor Rec |
| 270A | Transmitting Triode, air cooled |
| 271A | Triode, vacuum |
| 274 | - |
| 274B | Full-Wave Vacuum Rectifier |
| 276A | Transmitting Triode, air cooled |
| 279A | Transmitting Triode, air cooled |
| 280 | Full-Wave High-Vacuum Rectifier |
| 281 | Half-Wave High-Vacuum Rectifier |
| 282A | Power Tetrode |
| 291 | Triple Twin Amplifier |
| 293 | Triple Twin Amplifier |
| 295 | Triple Twin Amplifier |
| 295A | Transmitting Triode, air cooled |
| 300A | Triode, vacuum |
| 301 | Current Regulator, Iron in Hydrogen |
| 302 | Current Regulator, Iron in Hydrogen |
| 303 | Current Regulator, Iron in Hydrogen |
| 303A | Transmitting Triode, air cooled |
| 304 | Current Regulator, Iron in Hydrogen |
| 304B | Transmitting Triode, air cooled |
| 304TH | Power Triode |
| 304TL | Power Triode |
| 305A | Power Tetrode |
| 306A | Power Pentode |
| 307A | Power Pentode |
| 310A | Vacuum Pentode |
| 310B | - |
| 311 | Power Triode |
| 311SU | - |
| 312A | Power Pentode |
| 316A | Power Triode |
| 327A | Double Triode |
| 342A | Transmitter Triode, liquid-cooling |
| 350A | Beam Power Tube |
| 356 | TRIODE |
| 367 | Full-Wave Rectifier inert gas filled |
| 371A | High-vacuum Rectifier |
| 371B | High-vacuum Rectifier |
| 393A | Thyratron |
| 394A | Thyratron |
| 396A | - |
| 398A | - |
| 401 | Triode |
| 401A | Triode |
| 402 | Power Amplifier Triode |
| 402P | Triode, vacuum |
| 403 | Power Amplifier Triode |
| 403A | - |
| 403B | - |
| 404 | Sharp-Cutoff Pentode |
| 404A | Sharp-Cutoff Pentode |
| 407A | Double Triode |
| 408A | Vacuum Pentode |
| 408BU | Full-Wave Vacuum Rectifier |
| 409A | Vacuum Pentode |
| 412A | Triode, vacuum |
| 412BU | Full-Wave Vacuum Rectifier |
| 412SU | Half-Wave Vacuum Rectifier |
| 417 | High-Mu Triode |
| 417A | High-Mu Triode |
| 417B | - |
| 420A | Triode, vacuum |
| 421A | - |
| 423A | - |
| 431QQ44 | Television picture tube black+white |
| 441 | Space Charge Tetrode |
| 442BU | Full-Wave Vacuum Rectifier |
| 448A | - |
| 450 | Power Amplifier Triode |
| 450TH | Transmitting Triode, air cooled |
| 451PT | - |
| 460BU | Full-Wave Vacuum Rectifier |
| 482A | Power Amplifier Triode |
| 482B | Power Amplifier Triode |
| 483 | Power Triode |
| 483/183 | Power Triode |
| 484 | Triode |
| 485 | Medium Mu Triode |
| 486 | Triode Amplifier |
| 501R | - |
| 502-A | Thyratron |
| 505 | Half-Wave Vacuum Rectifier |
| 506 | Full-Wave Vacuum Rectifier |
| 506BU | Full-Wave Vacuum Rectifier |
| 506K | Full-Wave Vacuum Rectifier |
| 512AX | AF Pentode |
| 527 | Transmitting Triode, air cooled |
| 530 | Transmitter Triode, liquid-cooling |
| 531 | Half-Wave Vacuum Rectifier |
| 532A | - |
| 572 | Power Triode |
| 572B | Transmitting Triode, air cooled |
| 575A | Half-Wave Mercury-Vapor Rectifier |
| 578 | High-vacuum Rectifier |
| 585 | Power Amplifier Triode |
| 586 | Power Amplifier Triode |
| 592 | Power Triode |
| 615 | Power Triode |
| 618 | - |
| 618P | - |
| 619 | - |
| 631P1 | Strobe Tube |
| 673 | Half-Wave Mercury-Vapor Rectifier |
| 676 | TRIODE (Detail uncertain) |
| 677 | Vacuum Pentode |
| 678 | Vacuum Pentode |
| 705A | Half-Wave Vacuum Rectifier |
| 710A | Transmitting Triode, air cooled |
| 713A | Vacuum Pentode |
| 717A | Pentode Amplifier |
| 725A | Pulse magnetron |
| 731A | - |
| 750TL | Transmitting Triode, air cooled |
| 800 | Power Triode |
| 801 | Power Triode |
| 801A | Power Triode |
| 802 | Power Pentode |
| 803 | Beam Power Pentode |
| 804 | Power Pentode |
| 805 | Power Triode |
| 806 | Power Triode |
| 807 | Beam Power Amplifier |
| 807W | Beam Power Amplifier |
| 807WA | Beam Power Amplifier |
| 807Y | Beam Power Amplifier |
| 808 | Power Triode |
| 809 | Power Triode |
| 810 | Power Triode |
| 811 | Power Triode |
| 811A | Power Triode |
| 812A | Power Triode |
| 813 | Beam Power Pentode |
| 814 | Beam Power Pentode |
| 815 | Twin Beam Power Pentode |
| 816 | Half-Wave Rectifier |
| 826 | Power Triode |
| 828 | Power Pentode |
| 829 | Twin Beam Power Tube |
| 829A | Twin Beam Power Tube |
| 829B | Twin Beam Power Tube |
| 830B | Power Triode |
| 831 | Transmitting Triode, air cooled |
| 832 | Twin Beam Power Tube |
| 832A | Twin Beam Power Tube |
| 833A | Power Triode |
| 834 | Transmitting Triode, air cooled |
| 835 | Triode, vacuum |
| 836 | Half-Wave Rectifier |
| 837 | Beam Power Pentode |
| 838 | Transmitting Triode, air cooled |
| 840 | R.F. Pentode |
| 841 | Transmitting Triode, air cooled |
| 842 | Triode, vacuum |
| 843 | Transmitting Triode, air cooled |
| 844 | Power Tetrode |
| 845 | Triode, vacuum |
| 846 | Transmitter Triode, liquid-cooling |
| 849 | Transmitting Triode, air cooled |
| 849A | Transmitting Triode, air cooled |
| 849H | Transmitting Triode, air cooled |
| 850 | Power Tetrode |
| 851 | Transmitting Triode, air cooled |
| 857B | Half-Wave Mercury-Vapor Rectifier |
| 858 | Transmitter Triode, liquid-cooling |
| 860 | Power Tetrode |
| 861 | Power Tetrode |
| 862 | Transmitter Triode, liquid-cooling |
| 864 | Triode Non-Microphonic |
| 865 | Power Tetrode |
| 866 | Half-Wave Rectifier |
| 866A | Half-Wave Rectifier |
| 866AX | Half-Wave Rectifier |
| 866B | Half-Wave Rectifier |
| 866JR | Half-Wave Rectifier |
| 866Jr | Half-Wave Mercury-Vapor Rectifier |
| 868 | Photocell Gas filled |
| 869 | Half-Wave Mercury-Vapor Rectifier |
| 869A | Half-Wave Mercury-Vapor Rectifier |
| 869B | Half-Wave Mercury-Vapor Rectifier |
| 872 | Half-Wave Rectifier |
| 872A | Half-Wave Rectifier |
| 874 | Voltage Regulator |
| 876 | Current Regulator |
| 878 | Half-Wave Vacuum Rectifier |
| 879 | HV Half-Wave Rectifier |
| 880 | Transmitter Triode, liquid-cooling |
| 884 | Triode |
| 884W | Triode |
| 885 | Triode |
| 886 | Current Regulator |
| 889R | Transmitting Triode, air cooled |
| 889RA | - |
| 891 | Transmitter Triode, liquid-cooling |
| 891R | Transmitting Triode, air cooled |
| 892 | Transmitter Triode, liquid-cooling |
| 892R | Transmitting Triode, air cooled |
| 893 | Transmitter Triode, liquid-cooling |
| 902 | Oscilloscope CRT, picture tube |
| 905 | Triode, vacuum |
| 908 | CRT (cathode ray tube, picture tube) |
| 912 | CRT (cathode ray tube, picture tube) |
| 913 | Oscilloscope CRT, picture tube |
| 918 | Photocell Gas filled |
| 919 | Photocell High vakuum |
| 920 | Photocell Gas filled |
| 921 | Photocell Gas filled |
| 922 | Photocell High vakuum |
| 923 | Photocell Gas filled |
| 924 | Photocell Gas filled |
| 926 | Photocell High vakuum |
| 927 | Photocell Gas filled |
| 929 | Photocell High vakuum |
| 930 | Photocell Gas filled |
| 930B | Power Triode |
| 932 | - |
| 950 | Pentode Power Amplifier |
| 951 | Tetrode |
| 954 | Detector Amplifier Pentode (Acorn) |
| 955 | Medium Mu Triode (Acorn) |
| 956 | Remote-Cutoff RF Pentode (Acorn) |
| 957 | Medium-Mu Triode (Acorn) |
| 958 | Medium-Mu Triode (Acorn) |
| 958A | Medium-Mu Triode (Acorn) |
| 959 | Sharp-Cutoff Pentode (Acorn) |
| 985 | Full-Wave Rectifier |
| 986 | Full-Wave Rectifier |
| 1000T | Transmitting Triode, air cooled |
| 1002 | Half-Wave Rectifier, gasfilled |
| 1003 | Current Regulator, Iron in Hydrogen |
| 1005 | - |
| 1006 | Full-Wave Rectifier inert gas filled |
| 1007 | Full-Wave Rectifier gas filled |
| 1039 | Full-Wave Mercury-Vapor Rectifier |
| 1048 | Full-Wave Rectifier gas filled |
| 1049 | Full-Wave Mercury-Vapor Rectifier |
| 1059 | Full-Wave Rectifier gas filled |
| 1089 | Full-Wave Rectifier gas filled |
| 1119 | Full-Wave Rectifier inert gas filled |
| 1129 | Full-Wave Rectifier gas filled |
| 1201 | High Frequency Triode |
| 1201A | Triode, vacuum |
| 1203 | - |
| 1203A | High Frequency Diode |
| 1204 | - |
| 1206 | - |
| 1216 | - |
| 1217 | - |
| 1218 | UHF Triode |
| 1219 | - |
| 1220 | - |
| 1221 | Vacuum Pentode |
| 1222 | Beam Power Amplifier |
| 1223 | Pentode Amplifier |
| 1225 | HEPTODE |
| 1229 | Tetrode |
| 1231 | Pentode Amplifier |
| 1231Z | - |
| 1232 | Vacuum Pentode |
| 1236A | Emission Limited Diode |
| 1238 | - |
| 1247 | Diode |
| 1252 | - |
| 1265 | Voltage Regulator |
| 1266 | Voltage Regulator, single |
| 1267 | Thyratron Cold-cathode |
| 1273 | Pentode |
| 1274 | - |
| 1275 | High-vacuum Rectifier |
| 1280 | Pentode |
| 1282 | - |
| 1288 | - |
| 1291 | Double Triode |
| 1292 | - |
| 1294 | Signal Diode - one single system |
| 1299 | Vacuum Pentode |
| 1381HQ | - |
| 1500T | Transmitting Triode, air cooled |
| 1554 | Transmitting Triode, air cooled |
| 1564 | Full-Wave Rectifier gas filled |
| 1603 | Vacuum Pentode |
| 1608 | Transmitting Triode, air cooled |
| 1609 | Pentode |
| 1610 | Beam Power Tetrode |
| 1611 | Pentode Power Amplifier |
| 1612 | Pentagrid Mixer Amplifier (Special 6L7) |
| 1613 | Beam Power Pentode |
| 1614 | Beam Power Tube |
| 1616 | Half-Wave Vacuum Rectifier |
| 1619 | Beam Power Tube |
| 1620 | Sharp-Cutoff Pentode (Special 6J7) |
| 1621 | Power Amplifier Pentode (Special 6F6) |
| 1622 | Beam Power Amplifier (Special 6L6) |
| 1623 | Power Triode |
| 1624 | Beam Power Pentode |
| 1625 | Beam Power Tube |
| 1626 | Triode, vacuum |
| 1628 | Transmitting Triode, air cooled |
| 1629 | Electron-Ray Tube |
| 1630 | HEXODE |
| 1631 | Beam Power Pentode |
| 1632 | Beam Power Pentode |
| 1633 | Medium-Mu Twin Triode |
| 1634 | High-Mu Twin Triode |
| 1635 | High-Mu Twin Triode |
| 1642 | Twin Triode Amplifier |
| 1644 | Twin Pentode Power Amplifier |
| 1649 | - |
| 1650 | - |
| 1654 | Half-Wave High Vacuum Rectifer |
| 1655 | Double Triode |
| 1657 | - |
| 1659 | - |
| 1662 | - |
| 1664 | - |
| 1665 | - |
| 1710 | Triode, vacuum |
| 1729 | Gas Rectifier |
| 1738 | Full-Wave Mercury-Vapor Rectifier |
| 1768 | Full-Wave Rectifier gas filled |
| 1788 | Full-Wave Mercury-Vapor Rectifier |
| 1801 | Full-Wave Vacuum Rectifier |
| 1802 | Half-Wave Vacuum Rectifier |
| 1803 | Half-Wave Vacuum Rectifier |
| 1808P | - |
| 1815 | Full-Wave Vacuum Rectifier |
| 1817 | Full-Wave Vacuum Rectifier |
| 1823 | Full-Wave Vacuum Rectifier |
| 1832 | Half-Wave Vacuum Rectifier |
| 1848 | Iconoscope |
| 1849 | CAMERA TUBE, general |
| 1851 | Television Amplifier Pent |
| 1852 | Pentode Amplifier |
| 1853 | Sharp-Cutoff Pentode |
| 1877 | Half-Wave Vacuum Rectifier |
| 1878 | Half-Wave Vacuum Rectifier |
| 1883 | Full-Wave Vacuum Rectifier |
| 1904 | Current Regulator, Iron in Hydrogen |
| 1905 | Current Regulator, Iron in Hydrogen |
| 1908 | Current Regulator, Iron in Hydrogen |
| 1909 | Current Regulator, Iron in Hydrogen |
| 1910 | Current Regulator, Iron in Hydrogen |
| 1913 | Current Regulator, Iron in Hydrogen |
| 1920 | Current Regulator, Iron in Hydrogen |
| 1923 | Current Regulator, Iron in Hydrogen |
| 1926 | Current Regulator, Iron in Hydrogen |
| 1927 | Current Regulator, Iron in Hydrogen |
| 1928 | Current Regulator, Iron in Hydrogen |
| 1941 | Current Regulator, Iron in Hydrogen |
| 1945 | Current Regulator, Iron in Hydrogen |
| 1947 | Current Regulator, Iron in Hydrogen |
| 1949 | Current Regulator, Iron in Hydrogen |
| 1950 | Current Regulator, Iron in Hydrogen |
| 2000T | Transmitting Triode, air cooled |
| 2013 | - |
| 2014 | - |
| 2050 | Tetrode |
| 2050A | Tetrode |
| 2050W | Tetrode |
| 2051 | Thyratron |
| 2054 | Transmitting Triode, air cooled |
| 2081 | High-Mu Triode - Sharp-Cutoff Pentode |
| 2101 | Vacuum Pentode |
| 2935A | - |
| 3510 | Photocell High vakuum |
| 3512 | Photocell High vakuum |
| 3520 | Photocell High vakuum |
| 3530 | Photocell Gas filled |
| 3538 | Photocell Gas filled |
| 3541 | Photocell Gas filled |
| 3545 | Photocell High vakuum |
| 3841 | - |
| 3871 | - |
| 3872 | - |
| 3873 | - |
| 3921 | - |
| 3924 | - |
| 4015A | Triode, vacuum |
| 4017B | Half-Wave Mercury-Vapor Rectifier |
| 4019B | Triode, vacuum |
| 4020A | Triode, vacuum |
| 4021B | Triode, vacuum |
| 4022AR | Triode, vacuum |
| 4030C | Transmitter Triode, liquid-cooling |
| 4033A | Triode, vacuum |
| 4033AF | Triode, vacuum |
| 4043C | Triode, vacuum |
| 4046A | Vacuum Pentode |
| 4049C | Half-Wave Mercury-Vapor Rectifier |
| 4052A | Vacuum Pentode |
| 4053 | Oscilloscope CRT, picture tube |
| 4060 | Electrometer Triode |
| 4061A | Transmitting Tube, Pentode, air cooled |
| 4064A | Half-Wave Mercury-Vapor Rectifier |
| 4064B | Half-Wave Mercury-Vapor Rectifier |
| 4069A | Transmitting Tube, Pentode, air cooled |
| 4074A | Double Triode |
| 4077A | Half-Wave Mercury-Vapor Rectifier |
| 4205E | Triode, vacuum |
| 4211D | Transmitting Triode, air cooled |
| 4212D | Transmitting Triode, air cooled |
| 4212E | Transmitting Triode, air cooled |
| 4215A | Triode, vacuum |
| 4228A | Transmitter Triode, liquid-cooling |
| 4242A | Transmitting Triode, air cooled |
| 4270A | Transmitting Triode, air cooled |
| 4274A | Full-Wave Vacuum Rectifier |
| 4279A | Transmitting Triode, air cooled |
| 4300A | Triode, vacuum |
| 4304B | Transmitting Triode, air cooled |
| 4307A | Vacuum Pentode |
| 4316A | Transmitting Triode, air cooled |
| 4357 | Voltage Regulator, single |
| 4378 | Voltage Limiter, rare gas filled |
| 4465 | - |
| 4604 | Beam Power Pentode |
| 4606 | Triode, vacuum |
| 4607 | Triode, vacuum |
| 4609 | Triode, vacuum |
| 4610 | - |
| 4611 | - |
| 4612 | - |
| 4618 | Vacuum Pentode |
| 4630 | Triode, vacuum |
| 4631 | TRIODE (Detail uncertain) |
| 4636 | Vacuum Pentode |
| 4641 | Triode, vacuum |
| 4648 | Full-Wave Vacuum Rectifier |
| 4652 | Full-Wave Rectifier gas filled |
| 4654 | Vacuum Pentode |
| 4654K | Vacuum Pentode |
| 4662 | Glow Indicator (Neon) |
| 4671 | Triode, vacuum |
| 4672 | Vacuum Pentode |
| 4674 | Signal Diode - one single system |
| 4676 | Vacuum Pentode |
| 4678 | Mag. Eye, 4 shadow angles |
| 4682 | Vacuum Pentode |
| 4687 | Voltage Regulator, single |
| 4689 | Vacuum Pentode |
| 4694 | Vacuum Pentode |
| 4695 | Vacuum Pentode |
| 4699 | Vacuum Pentode |
| 5122 | - |
| 5514 | Power Triode |
| 5516 | Transmitting Tube, Pentode, air cooled |
| 5517 | Gas Rectifier |
| 5527 | Iconoscope |
| 5541 | Transmitting Triode, air cooled |
| 5556 | Triode, vacuum |
| 5557 | - |
| 5558 | Half-Wave Mercury-Vapor Rectifier |
| 5559 | Thyratron |
| 5561 | Half-Wave Mercury-Vapor Rectifier |
| 5563 | Thyratron |
| 5582 | Photocell Gas filled |
| 5583 | Photocell Gas filled |
| 5584 | Photocell Gas filled |
| 5586 | Pulse magnetron |
| 5588 | - |
| 5590 | RF Pentode |
| 5591 | Sharp-Cutoff Pentode |
| 5594 | Thyratron |
| 5603 | - |
| 5608-A | Medium-Mu Twin Triode |
| 5610 | Medium-Mu Triode |
| 5618 | Vacuum Pentode |
| 5632 | - |
| 5633 | Remote-Cutoff RF Pentode |
| 5634 | Remote-Cutoff RF Pentode |
| 5635 | Medium-Mu Twin Triode |
| 5636 | Sharp-Cutoff Pentode |
| 5636A | Sharp-Cutoff Pentode |
| 5637 | High-Mu Triode |
| 5638 | Amplifier Pentode |
| 5639 | Semiremote-Cutoff Pentode |
| 5639A | Semiremote-Cutoff Pentode |
| 5639WA | Semiremote-Cutoff Pentode |
| 5640 | Beam Power Amplifier |
| 5641 | Half-Wave Rectifier |
| 5641A | Half-Wave Rectifier |
| 5642 | Half-Wave Rectifier |
| 5643 | Gas Tetrode |
| 5644 | Gas Diode |
| 5644A | Gas Diode |
| 5645 | Medium-Mu Triode |
| 5646 | High-Mu Triode |
| 5647 | High-Frequency Diode |
| 5647A | High-Frequency Diode |
| 5651 | Voltage Reference Tube |
| 5651A | Voltage Reference Tube |
| 5651WA | Voltage Reference Tube |
| 5652 | - |
| 5654 | Sharp-Cutoff Pentode |
| 5659 | - |
| 5660 | - |
| 5661 | Vacuum Pentode |
| 5667 | - |
| 5670 | Medium-Mu Twin Triode |
| 5670WA | Medium-Mu Twin Triode |
| 5672 | Power Amplifier Pentode |
| 5675 | Medium Mu Triode |
| 5676 | Medium Mu Triode |
| 5677 | Medium Mu Triode |
| 5678 | Pentode Amplifier |
| 5679 | Twin Diode |
| 5684 | - |
| 5686 | Beam Power Pentode |
| 5687 | Medium-Mu Twin Triode |
| 5687WA | Medium-Mu Twin Triode |
| 5690 | Full-Wave High-Vacuum Rectifier |
| 5691 | High-Mu Twin Triode |
| 5692 | Medium-Mu Twin Triode |
| 5693 | Sharp-Cutoff Pentode |
| 5694 | Medium-Mu Twin Triode |
| 5696 | Thyratron |
| 5697 | - |
| 5702 | RF Pentode |
| 5702WA | RF Pentode |
| 5702WB | RF Pentode |
| 5702WS | RF Pentode |
| 5703 | Medium-Mu Triode |
| 5703WA | Medium-Mu Triode |
| 5703WB | Medium-Mu Triode |
| 5704 | Diode |
| 5704WA | Diode |
| 5718 | Medium-Mu Triode |
| 5718A | Medium-Mu Triode |
| 5719 | High-Mu Triode |
| 5719A | High-Mu Triode |
| 5721 | Reflex Klystron |
| 5722 | Noise Generating Diode |
| 5725 | Dual-Control RF Pentode |
| 5726 | Twin Diode |
| 5727 | Thyratron |
| 5731 | Power Amplifier Triode (Acorn) |
| 5732 | Remote-Cutoff RF Pentode (Special 6K7) |
| 5742 | - |
| 5743 | - |
| 5744 | High-Mu Triode |
| 5744WA | High-Mu Triode |
| 5744WB | High-Mu Triode |
| 5749 | Remote-Cutoff Pentode |
| 5750 | Pentagrid Converter |
| 5751 | High-Mu Dual Triode |
| 5751WA | High-Mu Dual Triode |
| 5755 | Double Triode |
| 5759 | - |
| 5762 | - |
| 5762A | - |
| 5763 | Beam Power Pentode |
| 5764 | Power Triode |
| 5767 | Triode, vacuum |
| 5771 | - |
| 5783 | - |
| 5783WA | Voltage Reference Tube |
| 5783WB | - |
| 5784 | Dual-Control RF Pentode |
| 5784WA | Dual-Control RF Pentode |
| 5784WB | Dual-Control RF Pentode |
| 5785 | Half-Wave High-Voltage Rectifier |
| 5787 | - |
| 5787WA | - |
| 5787WB | - |
| 5794 | TRANSMITTING TUBE (general) |
| 5794A | - |
| 5797 | Semi-Remote-Cutoff Pentode |
| 5798 | Medium-Mu Twin Triode |
| 5799 | - |
| 5800 | - |
| 5801 | - |
| 5802 | - |
| 5812 | Vacuum Pentode |
| 5814 | Medium-Mu Twin triode |
| 5814A | Medium-Mu Twin triode |
| 5814WA | Medium-Mu Twin triode |
| 5823 | Thyratron Cold-cathode |
| 5824 | Beam Power Amplifier |
| 5825 | Half-Wave High-Voltage Rectifier |
| 5828 | - |
| 5829 | Twin Diode |
| 5829WA | Twin Diode |
| 5838 | Full-Wave High-Vacuum Rectifier |
| 5839 | Full-Wave Rectifier |
| 5840 | Sharp-Cutoff Pentode |
| 5840A | Sharp-Cutoff Pentode |
| 5841 | - |
| 5842 | High-Mu Triode |
| 5844 | Medium-Mu Twin Triode |
| 5845 | Twin Diode |
| 5847 | Sharp-Cutoff Pentode |
| 5847A | Vacuum Pentode |
| 5851 | Beam Power Amplifier |
| 5852 | Full-Wave Rectifier |
| 5854 | Power Amplifier Pentode |
| 5860 | - |
| 5861 | Triode, vacuum |
| 5866 | Power Triode |
| 5867 | Power Triode |
| 5871 | Beam Power Pentode |
| 5873 | Medium-Mu Twin Triode |
| 5874 | - |
| 5875 | Sharp-Cutoff Pentode |
| 5876 | High-Mu Triode |
| 5876A | Triode, vacuum |
| 5879 | Sharp Cutoff Pentode |
| 5881 | Beam Power Pentode (Special 6L6G) |
| 5884 | - |
| 5885 | Double Tetrode |
| 5886 | Electrometer Tetrode or Pentode |
| 5889 | Electrometer Tetrode or Pentode |
| 5890 | Remote-Cutoff Pentode Regulator |
| 5892 | - |
| 5893 | Medium Mu Triode |
| 5894 | Twin Beam Power Pentode |
| 5894A | Twin Beam Power Pentode |
| 5895 | Double Tetrode |
| 5896 | HF Twin Diode |
| 5896A | HF Twin Diode |
| 5897 | Medium-Mu Triode |
| 5898 | High-Mu Triode |
| 5899 | Semi-Remote-Cutoff Pentode |
| 5899A | Semi-Remote-Cutoff Pentode |
| 5900 | Semi-Remote-Cutoff Pentode |
| 5901 | Sharp-Cutoff RF Pentode |
| 5902 | Beam Power Pentode |
| 5902A | Beam Power Pentode |
| 5902WA | Beam Power Pentode |
| 5903 | HF Twin Diode |
| 5904 | Medium-Mu Triode |
| 5905 | Sharp-Cutoff RF Pentode |
| 5906 | Sharp-Cutoff RF Pentode |
| 5907 | Remote-Cutoff RF Pentode |
| 5908 | Dual-Control RF Pentode |
| 5910 | Sharp-Cutoff Pentode |
| 5911 | - |
| 5913 | Vacuum Pentode |
| 5915 | Pentagrid Amplifier |
| 5915A | Pentagrid Amplifier |
| 5916 | Dual Control Pentode |
| 5920 | Medium-Mu Twin Triode |
| 5923 | - |
| 5930 | Low-Mu Power Amplifier Triode |
| 5931 | Full-Wave High-Vacuum Rectifier |
| 5932 | Beam Power Amplifier |
| 5933 | Power Tetrode |
| 5933WA | Power Tetrode |
| 5935 | - |
| 5947 | - |
| 5949 | Thyratron |
| 5950 | - |
| 5960 | - |
| 5961 | Pentagrid Converter (Special 6SA7) |
| 5962 | - |
| 5963 | Medium-Mu Twin Triode |
| 5964 | High-Mu Twin Triode |
| 5965 | Medium-Mu Twin Triode |
| 5967 | Medium-Mu Twin Triode |
| 5968 | Double Triode |
| 5969 | Double Tetrode |
| 5970 | Double Pentode |
| 5971 | Medium-Mu Triode |
| 5972 | Vacuum Pentode |
| 5975 | Medium-Mu Triode |
| 5977 | Medium-Mu Triode |
| 5977A | Medium-Mu Triode |
| 5987 | Low-Mu Triode |
| 5992 | Beam Power Amplifier |
| 5993 | Full-Wave High-Vacuum Rectifier |
| 5995 | Half-Wave High-Vacuum Rectifier |
| 5998 | Low-Mu Twin Triode |
| 5998A | Double Triode |
| 6000 | Beam Power Tube |
| 6004 | Full-Wave High-Vacuum Rectifier |
| 6005 | Beam Power Pentode |
| 6006 | Semi-Remote-Cutoff RF Pentode |
| 6007 | Power Amplifier Pentode |
| 6008 | Sharp-Cutoff Pentode |
| 6012 | Gas Thyratron |
| 6013 | - |
| 6014 | - |
| 6015 | Half-Wave Vacuum Rectifier |
| 6021 | Medium-Mu Twin Triode |
| 6021A | Medium-Mu Twin Triode |
| 6021WA | Medium-Mu Twin Triode |
| 6024 | Vacuum Pentode |
| 6026 | UHF Oscillator Triode |
| 6028 | Sharp-Cutoff RF Pentode |
| 6029 | Medium-Mu Triode |
| 6030 | Double Triode |
| 6042 | Medium-Mu Twin Triode |
| 6045 | Medium-Mu Triode |
| 6046 | Beam Power Amplifier |
| 6049 | Semi-Remote-Cutoff RF Pentode |
| 6050 | HF Medium-Mu Triode |
| 6051 | Vacuum Pentode |
| 6052 | - |
| 6053 | - |
| 6055 | - |
| 6056 | - |
| 6057 | High-Mu Twin Triode |
| 6058 | Twin Diode |
| 6059 | Sharp-Cutoff Pentode |
| 6060 | High-Mu Twin Triode |
| 6061 | Beam Power Amplifier |
| 6062 | Beam Power Tube |
| 6063 | Full-Wave Rectifier |
| 6064 | Sharp-Cutoff Pentode |
| 6065 | Sharp-Cutoff Pentode |
| 6066 | Twin Diode - High-Mu Triode |
| 6067 | High-Mu Twin Triode |
| 6072 | Medium-Mu Twin Triode |
| 6072A | Medium-Mu Twin Triode |
| 6073 | Voltage Regulator - Gas |
| 6074 | Voltage Regulator - Gas |
| 6075 | - |
| 6076 | - |
| 6077 | - |
| 6078 | - |
| 6079 | - |
| 6080 | Low-Mu Twin Triode |
| 6080WA | Low-Mu Twin Triode |
| 6080WB | Low-Mu Twin Triode |
| 6081 | Low-Mu Twin Triode |
| 6082 | Low-Mu Twin Triode |
| 6082A | Double Triode |
| 6083 | Transmitting Tube, Pentode, air cooled |
| 6084 | AF Pentode |
| 6085 | Medium-Mu Twin Triode |
| 6086 | Pentode |
| 6087 | Full-Wave High-Vacuum Rectifier |
| 6088 | Power Amplifier Pentode |
| 6092 | Power Amplifier Pentode |
| 6094 | Beam Power Amplifier |
| 6095 | Beam Power Pentode |
| 6096 | Vacuum Pentode |
| 6097 | Double Diode |
| 6098 | Beam Power Tube |
| 6099 | Double Triode |
| 6100 | Triode, vacuum |
| 6101 | Medium-Mu Twin Triode |
| 6106 | Full-Wave High-Vacuum Rectifier |
| 6110 | Twin Diode |
| 6111 | Medium-Mu Twin Triode |
| 6111A | Medium-Mu Twin Triode |
| 6111WA | Medium-Mu Twin Triode |
| 6112 | High-Mu Twin Triode |
| 6112A | High-Mu Twin Triode |
| 6112WA | High-Mu Twin Triode |
| 6113 | High-Mu Twin Triode |
| 6118 | Duplex-Diode High-Mu Triode |
| 6119 | - |
| 6121 | Medium-Mu Triode |
| 6130 | Thyratron |
| 6132 | Power Pentode |
| 6134 | Sharp-Cutoff RF Pentode |
| 6135 | Medium Mu Triode |
| 6136 | Sharp-Cutoff RF Pentode |
| 6137 | Remote-Cutoff Pentode |
| 6140 | - |
| 6143 | - |
| 6145 | Sharp-Cutoff Pentode |
| 6146 | Beam Power Pentode |
| 6146A | Beam Power Pentode |
| 6146B | Beam Power Pentode |
| 6146W | Transmitting Tube, Pentode, air cooled |
| 6147 | Vacuum Pentode |
| 6148 | Vacuum Pentode |
| 6149 | Triode, vacuum |
| 6150 | - |
| 6151 | Triode, vacuum |
| 6152 | Low-Mu Triode |
| 6155 | Power Tetrode |
| 6156 | Power Tetrode |
| 6157 | Half-Wave High-Vacuum Rectifier |
| 6158 | Medium-Mu Twin Triode |
| 6159 | Beam Power Pentode |
| 6159A | Transmitting Tube, Pentode, air cooled |
| 6159B | Beam Power Tube |
| 6161 | - |
| 6166A | - |
| 6169 | HF Triode |
| 6173 | UHF Pencil Diode |
| 6180 | Medium-Mu Twin Triode |
| 6184 | UHF Twin Diode |
| 6185 | - |
| 6186 | Sharp-Cutoff Pentode |
| 6186W | Sharp-Cutoff Pentode |
| 6187 | Vacuum Pentode |
| 6188 | Double Triode |
| 6189 | Medium-Mu Twin Triode |
| 6193 | HF Twin Triode |
| 6195 | Beam Power Amplifier |
| 6197 | Sharp-Cutoff Power Amplifier Pentode |
| 6201 | High-Mu Twin Triode |
| 6202 | Full-Wave High-Vacuum Rectifier |
| 6203 | Full-Wave High-Vacuum Rectifier |
| 6205 | Sharp-Cutoff RF Pentode |
| 6205A | Sharp-Cutoff RF Pentode |
| 6206 | Semi-Remote-Cutoff Pentode |
| 6206A | Semi-Remote-Cutoff Pentode |
| 6211 | Medium-Mu Twin Triode |
| 6213 | - |
| 6215 | Half-Wave High-Voltage Rectifier |
| 6216 | Beam Power Amplifier |
| 6218 | - |
| 6221 | Medium-Mu Triode |
| 6222 | High-Mu Triode |
| 6223 | Sharp-Cutoff Pnetode |
| 6224 | Beam Power Amplifier |
| 6225 | Semi-Remote-Cutoff Pentode |
| 6227 | Power Amplifier Pentode |
| 6239 | - |
| 6245 | Sharp-Cutoff Pentode |
| 6247 | High-Mu Triode |
| 6247WA | High-Mu Triode |
| 6252 | Dual Tetrode |
| 6263 | Medium-Mu Triode |
| 6263A | Transmitting Triode, air cooled |
| 6264 | Medium-Mu Triode |
| 6265 | Sharp-Cutoff Pentode |
| 6267 | Power Amplifier Pentode |
| 6278 | - |
| 6281 | Sharp-Cutoff AF Pentode |
| 6286 | Medium-Mu Triode |
| 6287 | Beam Power Amplifier |
| 6297 | - |
| 6299 | Planar Triode |
| 6305 | Half-Wave High-Voltage Rectifier |
| 6308 | - |
| 6320 | High-Mu Twin Triode |
| 6321 | Low-Mu Twin Triode |
| 6325 | Full-Wave High-Vacuum Rectifier |
| 6327 | Beam Power Amplifier |
| 6336 | Double Triode |
| 6336A | Low-Mu Twin Triode |
| 6350 | Medium-Mu Twin Triode |
| 6351 | - |
| 6352 | Temperature-Limited Twin Diode |
| 6354 | Voltage Regulator, single |
| 6355 | Twin Electron-Ray Indicator |
| 6360 | Twin Tetrode |
| 6360A | Twin Tetrode |
| 6373 | RF Pentode |
| 6374 | Half-Wave High-Vacuum Rectifier |
| 6375 | Medium-Mu Triode |
| 6384 | Beam Power Amplifier |
| 6385 | HF Twin Triode |
| 6386 | Medium-Mu Twin Triode |
| 6391 | Sharp-Cutoff Pentode |
| 6394 | Double Triode |
| 6394A | Double Triode |
| 6397 | Power Amplifier Pentode |
| 6414 | Twin Triode |
| 6417 | Beam Power Pentode |
| 6418 | Vacuum Pentode |
| 6419 | Vacuum Pentode |
| 6436 | - |
| 6437 | - |
| 6438 | - |
| 6442 | Planar Triode |
| 6443 | Half-Wave High-Vacuum Rectifier |
| 6463 | Medium-Mu Twin Triode |
| 6481 | - |
| 6484 | - |
| 6485 | Sharp-Cutoff Pentode |
| 6486 | Sharp-Cutoff RF Pentode |
| 6487 | Diode RF Pentode |
| 6488 | Remote-Cutoff RF Pentode |
| 6489 | Diode |
| 6516 | Vacuum Pentode |
| 6519 | Power Amplifier Pentode |
| 6520 | Double Triode |
| 6524 | Twin Beam Power Pentode |
| 6525 | Thyratron |
| 6526 | Vacuum Pentode |
| 6528 | Double Triode |
| 6533 | High-Mu Triode |
| 6533WA | High-Mu Triode |
| 6535 | Double Triode |
| 6540 | Vacuum Pentode |
| 6542 | - |
| 6550 | Power Pentode |
| 6552 | Beam Power Pentode |
| 6562 | - |
| 6582 | Vacuum Pentode |
| 6582A | Vacuum Pentode |
| 6592 | - |
| 6611 | RF Pentode |
| 6612 | RF Pentode |
| 6626 | Voltage Regulator - Gas |
| 6627 | Voltage Regulator - Gas |
| 6659 | - |
| 6660 | Remote-Cutoff Pentode |
| 6661 | Sharp-Cutoff Pentode |
| 6662 | Remote-Cutoff Pentode |
| 6663 | Twin Diode |
| 6664 | High-Mu Triode |
| 6669 | Beam Power Pentode |
| 6669/6AQ5A | Beam Power Pentode |
| 6669/6HG5 | Beam Power Pentode |
| 6671 | - |
| 6676 | Sharp-Cutoff Pentode |
| 6677 | Power Pentode |
| 6678 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| 6679 | High-Mu Twin Triode |
| 6680 | High-Mu Twin Triode |
| 6681 | High-Mu Twin Triode |
| 6686 | Power Amplifier Pentode |
| 6687 | HEPTODE |
| 6688 | Sharp-Cutoff Pentode |
| 6688A | Sharp-Cutoff Pentode |
| 6689 | Vacuum Pentode |
| 6690 | Medium-mu Twin Triode |
| 6699 | Beam Power Tube |
| 6754 | Full-Wave High-Vacuum Rectifier |
| 6760 | Power Amplifier Pentode |
| 6761 | Power Amplifier Pentode |
| 6771 | Planar Triode |
| 6778 | Triode, vacuum |
| 6788 | Sharp-Cutoff Pentode |
| 6792 | High-Vacuum Beam Tetrode |
| 6814 | Medium-Mu Triode |
| 6816 | Power Tetrode |
| 6829 | Medium-Mu Twin Triode |
| 6832 | Double Triode |
| 6840 | Double Triode |
| 6842 | High-Voltage Regulator |
| 6850 | Twin Beam Power Pentode |
| 6851 | Double Triode |
| 6853 | Full-Wave Vacuum Rectifier |
| 6854 | Double Triode |
| 6870 | Beam Power Tube |
| 6872 | Vacuum Pentode |
| 6877 | Triode, vacuum |
| 6883 | Beam Power Pentode |
| 6883A | Beam Power Pentode |
| 6883B | Beam Power Pentode |
| 6884 | Power Tetrode |
| 6887 | Twin Diode |
| 6888 | Dual-Control Pentode |
| 6889 | Beam Power Tube |
| 6893 | Beam Power Pentode |
| 6897 | Planar Triode |
| 6900 | Double Triode |
| 6913 | Double Triode |
| 6922 | Medium-Mu Twin triode |
| 6923 | Signal Diode - one single system |
| 6927 | Double Triode |
| 6928 | Beam Power Tube |
| 6939 | Twin Power Pentode |
| 6943 | Vacuum Pentode |
| 6944 | Vacuum Pentode |
| 6945 | Beam Power Tube |
| 6946 | Triode, vacuum |
| 6947 | Double Triode |
| 6948 | Double Triode |
| 6954 | Vacuum Pentode |
| 6955 | Double Triode |
| 6968 | Vacuum Pentode |
| 6973 | Beam Power Pentode |
| 6977 | Indicator Triode |
| 6979 | - |
| 6999 | Vacuum Pentode |
| 7000 | Low-Noise Amplifier |
| 7007 | - |
| 7021 | Current Regulator, Iron in Hydrogen |
| 7025 | High Mu Twin Triode |
| 7025A | High Mu Twin Triode |
| 7027 | Beam Power Tube |
| 7027A | Beam Power Tube |
| 7034 | Power Tetrode |
| 7035 | Power Tetrode |
| 7035/4X150D | Power Tetrode |
| 7036 | HEPTODE |
| 7044 | Double Triode |
| 7054 | Power Pentode |
| 7055 | Double Diode |
| 7056 | Vacuum Pentode |
| 7057 | Double Triode |
| 7058 | Double Triode |
| 7060 | Triode-Pentode |
| 7061 | Beam Power Tube |
| 7062 | Double Triode |
| 7077 | Ceramic UHF Triode |
| 7079 | Double Triode |
| 7083 | Vacuum Pentode |
| 7094 | Beam Power Pentode |
| 7099 | - |
| 7105 | Double Triode |
| 7119 | Double Triode |
| 7137 | Triode, vacuum |
| 7167 | Vacuum Pentode |
| 7184 | Beam Power Tube |
| 7189 | Power Pentode |
| 7189A | Power Pentode |
| 7193 | Triode, vacuum |
| 7199 | Medium Mu Triode - Sharp Cutoff Pentode |
| 7203 | Power Tetrode |
| 7204 | Power Tetrode |
| 7211 | Transmitting Triode, air cooled |
| 7212 | Beam Power Pentode |
| 7213 | Beam Power Pentode |
| 7231 | - |
| 7232 | - |
| 7233 | Triode, vacuum |
| 7234 | Vacuum Pentode |
| 7236 | Double Triode |
| 7244 | Double Triode |
| 7244A | Double Triode |
| 7245 | Triode, vacuum |
| 7245A | Triode, vacuum |
| 7246 | Triode, vacuum |
| 7247 | Double Triode |
| 7258 | Sharp-Cutoff Pentode-Medium-Mu Triode |
| 7266 | Metal-Ceramic Diode |
| 7270 | Power Tetrode |
| 7271 | Power Tetrode |
| 7289 | Planar Triode |
| 7296 | Metal-Ceramic Triode |
| 7306A | - |
| 7308 | Double Triode |
| 7311 | Beam Power Tube |
| 7312 | Triode, vacuum |
| 7313 | Half-Wave Vacuum Rectifier |
| 7314 | Vacuum Pentode |
| 7316 | Double Triode |
| 7318 | Double Triode |
| 7320 | Vacuum Pentode |
| 7323 | - |
| 7327 | Double Triode |
| 7355 | Vacuum Pentode |
| 7357 | Beam Power Pentode |
| 7358 | Beam Power Tube |
| 7360 | Beam Deflection Modulator |
| 7370 | Double Triode |
| 7377 | Double Tetrode |
| 7378 | Beam Power Tube |
| 7391 | Planar Triode |
| 7401 | - |
| 7403 | Full-Wave Vacuum Rectifier |
| 7404 | Triode, vacuum |
| 7408 | Beam Power Tube |
| 7412 | Screen-grid Tetrode |
| 7413 | Triode, vacuum |
| 7414 | Double Triode |
| 7430 | Vacuum Pentode |
| 7432 | - |
| 7433 | - |
| 7434 | - |
| 7435 | Triode, vacuum |
| 7436 | Triode, vacuum |
| 7437 | Transmitting Triode, air cooled |
| 7438 | - |
| 7439 | Triode, vacuum |
| 7449 | High-vacuum Rectifier |
| 7457 | Power Tetrode |
| 7462 | Metal-Ceramic Triode |
| 7475 | Voltage Regulator, single |
| 7486 | Metal-Ceramic Triode |
| 7489 | Double Triode |
| 7492 | Double Triode |
| 7494 | - |
| 7496 | - |
| 7498 | Vacuum Pentode |
| 7499 | - |
| 7502 | - |
| 7534 | Vacuum Pentode |
| 7543 | Sharp Cutoff Pentode |
| 7548 | HEXODE |
| 7550 | Double Triode |
| 7551 | Beam Power Pentode |
| 7558 | Beam Power Pentode |
| 7580 | Beam Power Pentode |
| 7581 | Beam Power Pentode |
| 7581A | Beam Power Pentode |
| 7586 | Medium-Mu Triode (Nuvistor) |
| 7587 | Sharp-Cutoff Pentode (Nuvistor) |
| 7588 | Metal-Ceramic Triode |
| 7591 | Beam Power Amplifier |
| 7591A | Beam Power Amplifier |
| 7607 | Beam Power Tube |
| 7609 | - |
| 7623 | Vacuum Pentode |
| 7624 | Vacuum Pentode |
| 7625 | Metal-Ceramic Triode |
| 7626 | Vacuum Pentode |
| 7631 | - |
| 7643 | Triode-Pentode |
| 7644 | Planar Triode |
| 7645 | Double Tetrode |
| 7683 | Vacuum Pentode |
| 7687 | Lo-Noise Audio Triode-Pentode |
| 7688 | Triple Triode |
| 7689 | Triple Triode |
| 7690 | Triple Triode |
| 7693 | Vacuum Pentode |
| 7694 | Vacuum Pentode |
| 7695 | Beam Power Pentode Pd=16W |
| 7700 | Vacuum Pentode |
| 7701 | Beam Power Pentode |
| 7717 | Power Tetrode |
| 7719 | Triode, vacuum |
| 7720 | Metal-Ceramic Triode |
| 7721 | Vacuum Pentode |
| 7722 | Vacuum Pentode |
| 7724 | Double Diode-Triode |
| 7728 | Double Triode |
| 7729 | Double Triode |
| 7730 | Double Triode |
| 7731 | Triode-Pentode |
| 7732 | Vacuum Pentode |
| 7733 | Vacuum Pentode |
| 7734 | Triode-Pentode |
| 7737 | Vacuum Pentode |
| 7738 | Triode, vacuum |
| 7751 | Beam Power Tube |
| 7752 | Vacuum Pentode |
| 7754 | Beam Power Amplifier |
| 7755 | Vacuum Pentode |
| 7756 | - |
| 7757 | Beam Power Tube |
| 7759 | Double Triode |
| 7760 | Double Triode |
| 7761 | Vacuum Pentode |
| 7762 | Vacuum Pentode |
| 7763 | SPECIAL TUBE, other or unknown |
| 7768 | Metal-Ceramic Triode |
| 7784 | Planar Triode |
| 7788 | Vacuum Pentode |
| 7802 | Double Triode |
| 7803 | Double Triode |
| 7813 | - |
| 7815 | Planar Triode |
| 7815R | Transmitting Triode, air cooled |
| 7841 | Metal-Ceramic Diode |
| 7842 | Beam Power Pentode |
| 7843 | Beam Power Pentode |
| 7844 | Beam Power Pentode |
| 7851 | Screen-grid Tetrode |
| 7854 | Dual Power Tetrode |
| 7855 | Transmitting Triode, air cooled |
| 7866 | Vibrator |
| 7867 | Beam Power Tube |
| 7868 | Power Pentode Pd=19W |
| 7887 | Double Triode |
| 7888 | Triode, vacuum |
| 7889 | Double Triode |
| 7892 | Double Triode |
| 7894 | Voltage Regulator, single |
| 7895 | High-Mu Triode (Nuvistor) |
| 7898 | Double Triode |
| 7905 | Beam Power Pentode |
| 7910 | Triode, vacuum |
| 7911 | Triode, vacuum |
| 7913 | Triode, vacuum |
| 7962 | Double Triode |
| 7963 | Double Triode |
| 7979 | Gas Triode |
| 7980 | Voltage Regulator, single |
| 7983 | Double Tetrode |
| 7984 | Beam Power Tube |
| 7994 | Triode, vacuum |
| 7995 | Vacuum Pentode |
| 8000 | Power Triode |
| 8001 | Beam Power Pentode |
| 8003 | Triode, vacuum |
| 8005 | Power Triode |
| 8012 | Transmitting Triode, air cooled |
| 8016 | Half-Wave Rectifier |
| 8018 | - |
| 8020 | Half-Wave Vacuum Rectifier |
| 8022 | HEXODE |
| 8025 | Power Triode |
| 8025A | Transmitting Triode, air cooled |
| 8032 | Beam Power Pentode |
| 8032A | Beam Power Pentode |
| 8056 | Medium-Mu Triode (Nuvistor) |
| 8058 | High-Mu Triode (Nuvistor) |
| 8064 | Vacuum Pentode |
| 8068 | Beam Power Tube |
| 8070 | Triode, vacuum |
| 8071 | Triode, vacuum |
| 8072 | Power Tetrode |
| 8077 | Vacuum Pentode |
| 8081 | Metal-Ceramic Triode |
| 8082 | Metal-Ceramic Triode |
| 8083 | Metal-Ceramic Triode |
| 8084 | Vacuum Pentode |
| 8096 | Triode, vacuum |
| 8100 | SPECIAL TUBE, other or unknown |
| 8103 | Double Triode |
| 8106 | Beam Power Tube |
| 8108 | Triode, vacuum |
| 8113 | Screen-grid Tetrode |
| 8116 | Double Tetrode |
| 8117 | Dual Tetrode |
| 8118 | Double Tetrode |
| 8121 | Power Tetrode |
| 8122 | Power Tetrode |
| 8136 | Vacuum Pentode |
| 8149 | Beam Power Tube |
| 8150 | Beam Power Tube |
| 8156 | Beam Power Tube |
| 8167 | - |
| 8185 | Triode, vacuum |
| 8186 | Triode, vacuum |
| 8203 | Triode, vacuum |
| 8210 | Vacuum Pentode |
| 8211 | Vacuum Pentode |
| 8212 | Triode, vacuum |
| 8213 | Triode, vacuum |
| 8216 | - |
| 8223 | Double Triode |
| 8228 | Voltage Regulator, single |
| 8233 | Vacuum Pentode |
| 8254 | Triode, vacuum |
| 8255 | Triode, vacuum |
| 8278 | Beam Power Tube |
| 8298 | Beam Power Tube |
| 8298A | Beam Power Pentode |
| 8319 | Triode, vacuum |
| 8321 | - |
| 8334 | Triode, vacuum |
| 8348 | Double Tetrode |
| 8358 | Double Pentode |
| 8380 | Screen-grid Tetrode |
| 8382 | Triode, vacuum |
| 8393 | Triode, vacuum |
| 8403 | Transmitting Triode, air cooled |
| 8408 | Double Tetrode |
| 8412 | Triode, vacuum |
| 8413 | TRANSMITTING TUBE (general) |
| 8414 | Vacuum Pentode |
| 8417 | Beam Power Tube |
| 8425 | Vacuum Pentode |
| 8425A | Vacuum Pentode |
| 8426 | Vacuum Pentode |
| 8426A | Vacuum Pentode |
| 8431 | Double Triode |
| 8441 | Triode, vacuum |
| 8444 | Vacuum Pentode |
| 8445 | Triode-Pentode |
| 8446 | Triode-Pentode |
| 8447 | Double Diode-Triode |
| 8448 | Vacuum Pentode |
| 8453 | - |
| 8456 | Triode, vacuum |
| 8457 | Double Tetrode |
| 8458 | Double Beam Power Tube |
| 8463 | Vacuum Pentode |
| 8489 | Triode-Pentode |
| 8506 | Triode, vacuum |
| 8517 | Vacuum Pentode |
| 8522 | Vacuum Pentode |
| 8524 | Vacuum Pentode |
| 8525 | Double Triode |
| 8526 | Double Triode |
| 8527 | Triode, vacuum |
| 8528 | Beam Power Tube |
| 8529 | Vacuum Pentode |
| 8530 | Vacuum Pentode |
| 8532 | Triode, vacuum |
| 8533 | Transmitting Triode, air cooled |
| 8552 | Beam Power Pentode |
| 8627 | Triode, vacuum |
| 8628 | Triode, vacuum |
| 8660 | - |
| 8677 | Power Triode (Nuvistor) |
| 8727 | Triode, vacuum |
| 8755 | TRANSMITTING TUBE (general) |
| 8755A | TRANSMITTING TUBE (general) |
| 8847 | TRANSMITTING TUBE (general) |
| 8847A | TRANSMITTING TUBE (general) |
| 8892 | TRANSMITTING TUBE (general) |
| 8893 | TRANSMITTING TUBE (general) |
| 8906 | Transmitting Triode, air cooled |
| 8907 | Transmitting Triode, air cooled |
| 9001 | Pentode |
| 9002 | Triode |
| 9003 | Pentode |
| 9004 | UHF Diode |
| 9005 | UHF Diode |
| 9006 | UHF Diode |
| 9903 | - |
| 9904 | - |
| 9906 | - |
| 9906R | - |
| 9907 | - |
| 9907R | - |
| 9908 | - |
| 9909 | - |
| 9910 | - |
| 13201 | Voltage Regulator, single |
| 18004 | Triode, vacuum |
| 18013 | Vacuum Pentode |
| 18015 | Vacuum Pentode |
| 18040 | Vacuum Pentode |
| 18045 | Beam Power Tube |
| 18046 | Vacuum Pentode |
| 18048 | Vacuum Pentode |
| A22 | Screen Grid R.F. Amplifie |
| A28 | Triode Detector Amplifier |
| A28-14W | Television picture tube black+white |
| A28-13W | Television picture tube black+white |
| A30 | Power Amplifier Triode |
| A31-20W | Television picture tube black+white |
| A31-120W | Television picture tube black+white |
| A32 | Triode Amplifier |
| A40 | Power Amplifier Triode |
| A41 | TRIODE (Detail uncertain) |
| A44-120W | Television picture tube black+white |
| A44-12W | Television picture tube black+white |
| A47-17W | Television picture tube black+white |
| A47-11W | Television picture tube black+white |
| A47-26W | Television picture tube black+white |
| A48 | Triode Detector Amplifier |
| A50-120W | Television picture tube black+white |
| A50-12W | Television picture tube black+white |
| A56-11X | Television picture tube, aperture mask |
| A56-120X | Television picture tube, aperture mask |
| A59-12W/2 | Television picture tube black+white |
| A59-11W | Television picture tube black+white |
| A59-23W | Television picture tube black+white |
| A59-16W | Television picture tube black+white |
| A61 | - |
| A61-120W | Television picture tube black+white |
| A63-11X | Television picture tube, aperture mask |
| A63-120X | Television picture tube, aperture mask |
| A65-11W | Television picture tube black+white |
| A106 | Triode, vacuum |
| A109 | Triode, vacuum |
| A209 | Triode, vacuum |
| A214 | Triode, vacuum |
| A235 | Screen-grid Tetrode |
| A241 | Space Charge Tetrode |
| A341 | Space Charge Tetrode |
| A441N | Space Charge Tetrode |
| A537 | Triode, vacuum |
| A677 | - |
| A863 | - |
| A1834 | - |
| A2134 | Vacuum Pentode |
| A2521 | - |
| A2900 | - |
| Aa | Triode, vacuum |
| AA91E | - |
| AB1 | Double Diode |
| ABC1 | Double Diode-Triode |
| ABC91 | - |
| AC2/Pen | Vacuum Pentode |
| AC2/PenDD | Double Diode-Pentode |
| AC4/Pen | Beam Power Tube |
| AC5/Pen | Screen-grid Tetrode |
| AC5/PenDD | Double Diode-Pentode |
| AC6/Pen | Beam Power Tube |
| AC22 | Screen Grid R.F. Amplifie |
| AC50 | Thyratron |
| AC100 | Triode, vacuum |
| AC101 | Triode, vacuum |
| AC701 | Triode, vacuum |
| AC761 | Triode, vacuum |
| AC/ME | Mag. Eye, 1 shadow angle |
| AC/P4 | Triode, vacuum |
| AC/Pen | Vacuum Pentode |
| AC/SP1 | Vacuum Pentode |
| AC/SP3 | Vacuum Pentode |
| ACH1 | Triode-Hexode |
| ACT9 | Transmitting Triode, air cooled |
| AD | Half-Wave Rectifier |
| AD1 | Triode, vacuum |
| AD100 | Triode, vacuum |
| AD101 | Triode, vacuum |
| AD102 | Triode, vacuum |
| AF | Full-Wave Rectifier |
| AF2 | Vacuum Pentode |
| AF3 | Vacuum Pentode |
| AF7 | Vacuum Pentode |
| AF100 | Vacuum Pentode |
| AG | Full-Wave Rectifier |
| AG5211 | Voltage Regulator, single |
| AH1 | HEXODE |
| AH100 | HEXODE |
| AK2 | OCTODE |
| AL1 | Vacuum Pentode |
| AL4 | Vacuum Pentode |
| AL5 | Vacuum Pentode |
| AM1 | Mag. Eye, 4 shadow angles |
| AP4 | Vacuum Pentode |
| AR23 | TRIODE (Detail uncertain) |
| Arcotron201 | Triode, vacuum |
| Arcotron301 | Gas Triode |
| ARS25A | - |
| AS1000 | Transmitting Tube, Pentode, air cooled |
| ASG512 | - |
| ASG5684 | Thyratron |
| AT4 | Triode, vacuum |
| ATL5-1 | Transmitting Triode, air cooled |
| ATL10-3 | Transmitting Triode, air cooled |
| ATS225A | - |
| ATW5-1 | Transmitter Triode, liquid-cooling |
| ATW10-3 | Transmitter Triode, liquid-cooling |
| AW36-80 | Television picture tube black+white |
| AW43-80 | Television picture tube black+white |
| AW43-88 | Television picture tube black+white |
| AW47-91 | Television picture tube black+white |
| AW53-80 | Television picture tube black+white |
| AW53-88 | Television picture tube black+white |
| AW59-90 | Television picture tube black+white |
| AW59-91 | Television picture tube black+white |
| AW61-88 | Television picture tube black+white |
| AX | Triode Detector-Amplifier |
| AX1 | Half-Wave Mercury-Vapor Rectifier |
| AX9900 | Power Triode |
| AX9901 | Power Triode |
| AX9903 | Twin Beam Power Pentode |
| AX9910 | Dual Tetrode |
| AZ1 | Full-Wave Vacuum Rectifier |
| AZ4 | Full-Wave Vacuum Rectifier |
| AZ11 | Full-Wave Vacuum Rectifier |
| AZ12 | Full-Wave Vacuum Rectifier |
| AZ41 | Full-Wave Vacuum Rectifier |
| B | Triode Detector-Amplifier |
| B6 | Current Regulator, Iron in Hydrogen |
| B7S3 | Oscilloscope CRT, picture tube |
| B13S25 | Oscilloscope CRT, picture tube |
| B25 | REGULATOR-/CONTROL-TUBE (general) |
| B30M1 | Television picture tube black+white |
| B36 | - |
| B43G2 | Television picture tube black+white |
| B63 | Double Triode |
| B65 | - |
| B105 | Triode, vacuum |
| B139 | - |
| B152 | - |
| B217 | Triode, vacuum |
| B240 | Double Triode |
| B255 | Screen-grid Tetrode |
| B309 | - |
| B319 | - |
| B329 | - |
| B339 | - |
| B349 | - |
| B403 | Triode, vacuum |
| B409 | Triode, vacuum |
| B424 | Triode, vacuum |
| B438 | Triode, vacuum |
| B443S | Vacuum Pentode |
| B543 | Vacuum Pentode |
| B719 | - |
| B729 | - |
| B739 | - |
| B749 | - |
| B759 | - |
| B2006 | Triode, vacuum |
| B2038 | Triode, vacuum |
| B2041 | Dual-Grid Tetrode |
| B2042 | Vacuum Pentode |
| B2044 | Diode-Tetrode |
| B2044S | Diode-Triode |
| B2045 | Screen-grid Tetrode |
| B2046 | Vacuum Pentode |
| B2047 | Vacuum Pentode |
| B2048 | HEXODE |
| B2049 | HEXODE |
| B2052T | Screen-grid Tetrode |
| B2099 | TRIODE (Detail uncertain) |
| BA | Full-Wave Gaseous Rectifi |
| BA2 | Double Triode |
| Bas | Triode, vacuum |
| BD31 | Gas Diode |
| BF61 | Vacuum Pentode |
| BF451 | - |
| BH | Full-Wave Gaseous Rectifi |
| Bi | Triode, vacuum |
| BR | Full-Wave Gaseous Rectifi |
| BSPM04 | - |
| BTS15-3 | Transmitter Triode, liquid-cooling |
| BVA264 | - |
| BVA265 | - |
| C1 | Current Regulator, Iron in Hydrogen |
| C1K | Thyratron |
| C1K/6014 | - |
| C2 | Current Regulator, Iron in Hydrogen |
| C3 | Current Regulator, Urdox with FeH |
| C3b | Vacuum Pentode |
| C3c | Vacuum Pentode |
| C3d | Vacuum Pentode |
| C3e | Vacuum Pentode |
| C3g | Vacuum Pentode |
| C3J | Thyratron |
| C3J/5632 | - |
| C3JA | - |
| C3JA/5684/7306A | - |
| C3m | Vacuum Pentode |
| C3o | Vacuum Pentode |
| C4 | Current Regulator, Iron in Hydrogen |
| C6 | Current Regulator, Iron in Hydrogen |
| C6J/KF | - |
| C8 | Current Regulator, Iron in Hydrogen |
| C9 | Current Regulator, Iron in Hydrogen |
| C10 | Current Regulator, Iron in Hydrogen |
| C12 | Current Regulator, Iron in Hydrogen |
| C142 | Screen-grid Tetrode |
| C243N | Vacuum Pentode |
| C299 | Triode, vacuum |
| C327 | Triode, vacuum |
| C443 | Vacuum Pentode |
| C443N | Vacuum Pentode |
| C610 | - |
| C7063 | Photocell High vakuum |
| C/EM2 | Mag. Eye, 2 shadow angles |
| Ca | Triode, vacuum |
| Cas | Triode, vacuum |
| CAT9 | Transmitter Triode, liquid-cooling |
| CB2 | Double Diode |
| CBC1 | Double Diode-Triode |
| CBL1 | Double Diode-Pentode |
| CBL6 | Double Diode-Pentode |
| CBL31 | Double Diode-Pentode |
| CC2 | Triode, vacuum |
| CC81E | - |
| CC86E | - |
| CCa | Double Triode |
| CCH1 | Triode-Hexode |
| CCH35 | Triode-Hexode |
| Ce | Triode, vacuum |
| CF1 | Vacuum Pentode |
| CF2 | Vacuum Pentode |
| CF3 | Vacuum Pentode |
| CF7 | Vacuum Pentode |
| CH1 | HEXODE |
| CK1 | OCTODE |
| CK3 | OCTODE |
| CK108 | - |
| CK501 | - |
| CK501AX | - |
| CK502A | - |
| CK502AX | - |
| CK503AX | - |
| CK505AX | - |
| CK506AX | - |
| CK507AX | - |
| CK509AX | - |
| CK510AX | - |
| CK511X | - |
| CK512AX | Beam Power Tube |
| CK515BX | Triode, vacuum |
| CK516AX | - |
| CK518AX | - |
| CK520AX | Vacuum Pentode |
| CK521AX | Vacuum Pentode |
| CK522AX | Vacuum Pentode |
| CK523AX | - |
| CK524AX | - |
| CK525AX | - |
| CK526AX | - |
| CK527AX | - |
| CK528AX | - |
| CK529AX | - |
| CK531DX | - |
| CK532DX | Vacuum Pentode |
| CK533AX | - |
| CK534AX | - |
| CK535AX | - |
| CK536AX | - |
| CK537AX | - |
| CK538DX | Vacuum Pentode |
| CK539DX | - |
| CK541DX | - |
| CK542DX | - |
| CK542DXS | - |
| CK543DX | - |
| CK544DX | - |
| CK545DX | - |
| CK546DX | Vacuum Pentode |
| CK547DX | - |
| CK548DX | - |
| CK549DX | Vacuum Pentode |
| CK551A | - |
| CK551AXA | Diode-Pentode |
| CK553A | - |
| CK553AXA | Vacuum Pentode |
| CK555A | - |
| CK555AX | - |
| CK556AX | Triode, vacuum |
| CK568AX | Triode, vacuum |
| CK569AX | Vacuum Pentode |
| CK570AX | Triode, vacuum |
| CK571AX | - |
| CK573AX | - |
| CK574AX | - |
| CK600AX | - |
| CK605CX | Vacuum Pentode |
| CK606BX | Signal Diode - one single system |
| CK608CX | Triode, vacuum |
| CK619CX | Triode, vacuum |
| CK623CX | - |
| CK628 | - |
| CK1003 | Full-Wave Rectifier gas filled |
| CK1005 | Full-Wave Rectifier gas filled |
| CK1009 | Full-Wave Cold-cathode-rectifier |
| CK1009A | - |
| CK1009BA | - |
| CK1013 | Gas Rectifier |
| CK1036 | - |
| CK1037 | - |
| CK1038 | - |
| CK1039 | - |
| CK1042 | - |
| CK1045 | - |
| CK1050 | - |
| CK1050A | - |
| CK1054 | - |
| CK1061 | - |
| CK1068 | - |
| CK1069 | - |
| CK1089 | - |
| CK1106 | - |
| CK1301 | - |
| CK1301A | - |
| CK1362 | - |
| CK1363 | - |
| CK6414 | Double Triode |
| CL1 | Vacuum Pentode |
| CL2 | Vacuum Pentode |
| CL4 | Vacuum Pentode |
| CL6 | Vacuum Pentode |
| CL33 | Vacuum Pentode |
| CL52 | TRIODE (Detail uncertain) |
| CL62 | Triode, vacuum |
| CRM71 | Television picture tube black+white |
| CRM91 | Television picture tube black+white |
| CRM92 | Television picture tube black+white |
| CRM121 | Television picture tube black+white |
| CSF80 | - |
| CX299 | Triode, vacuum |
| CX301A | Triode, vacuum |
| CX371A | Triode, vacuum |
| CY1 | Half-Wave Vacuum Rectifier |
| CY2 | High-vacuum Rectifier |
| CY31 | Half-Wave Vacuum Rectifier |
| D1 | Full-Wave Rectifier |
| D1/2 | Half-Wave Rectifier |
| D1C | Triode, vacuum |
| D2C | Triode, vacuum |
| D2F | Vacuum Pentode |
| D2M9 | Double Diode |
| D3-11GJ | Oscilloscope CRT, picture tube |
| D3a | Vacuum Pentode |
| D3F | Vacuum Pentode |
| D4 | Triode, vacuum |
| D5 | Triode, vacuum |
| D11F | Vacuum Pentode |
| D12F | Vacuum Pentode |
| D15 | Triode, vacuum |
| D27 | - |
| D41 | Double Diode |
| D42 | Signal Diode - one single system |
| D61 | Diode-Pentode |
| D63 | Double Diode |
| D77 | Double Diode |
| D143 | Vacuum Pentode |
| D152 | Double Diode |
| D194 | - |
| D404 | Triode, vacuum |
| D717 | - |
| DA | Triode, vacuum |
| DA1 | Triode, vacuum |
| DA2 | Triode, vacuum |
| DA3 | Triode, vacuum |
| DA30 | Triode, vacuum |
| DA41 | Triode, vacuum |
| DA60 | Triode, vacuum |
| DA90 | Signal Diode - one single system |
| DA100 | Triode, vacuum |
| DA250 | Triode, vacuum |
| DAC21 | Diode-Triode |
| DAC32 | Diode-Triode |
| DAC41w | Diode-Triode |
| DAF90 | - |
| DAF91 | Diode-Pentode |
| DAF92 | Diode-Pentode |
| DAF96 | Diode-Pentode |
| DAF97 | - |
| DAF191 | Diode-Pentode |
| DAF961 | Diode-Pentode |
| DAH50 | SPECIAL TUBE, other or unknown |
| DAS1 | Screen-grid Tetrode |
| DB1 | HEPTODE |
| DB7-3 | Oscilloscope CRT, picture tube |
| DB7-2 | Oscilloscope CRT, picture tube |
| DB7-5 | Oscilloscope CRT, picture tube |
| DB7-1 | Oscilloscope CRT, picture tube |
| DB7-11 | Oscilloscope CRT, picture tube |
| DB7-6 | Oscilloscope CRT, picture tube |
| DB7-4 | Oscilloscope CRT, picture tube |
| DB9-4 | CRT (cathode ray tube, picture tube) |
| DB9-3 | Oscilloscope CRT, picture tube |
| DB16-1 | CRT (cathode ray tube, picture tube) |
| DB16-2 | CRT (cathode ray tube, picture tube) |
| DB25-1 | CRT (cathode ray tube, picture tube) |
| DC1/50 | Full-Wave Vacuum Rectifier |
| DC1/60 | Full-Wave Vacuum Rectifier |
| DC2/200 | Full-Wave Vacuum Rectifier |
| DC11 | Triode, vacuum |
| DC41w | Triode, vacuum |
| DC70 | Triode, vacuum |
| DC80 | Triode, vacuum |
| DC90 | Triode, vacuum |
| DCC90 | Double Triode |
| DCF60 | Triode-Pentode |
| DCG1/125 | Half-Wave Mercury-Vapor Rectifier |
| DCG1/150 | Half-Wave Mercury-Vapor Rectifier |
| DCG2/500 | Half-Wave Mercury-Vapor Rectifier |
| DCG3/3000 | Half-Wave Mercury-Vapor Rectifier |
| DCG4/1000 | Half-Wave Mercury-Vapor Rectifier |
| DCG4/1000G | Half-Wave Mercury-Vapor Rectifier |
| DCG5/7500 | Half-Wave Mercury-Vapor Rectifier |
| DCG5/75 | Half-Wave Mercury-Vapor Rectifier |
| DCG5/30 | Half-Wave Mercury-Vapor Rectifier |
| DCG5/2500 | Half-Wave Mercury-Vapor Rectifier |
| DCG12/30 | Thyratron |
| DCX4/1000 | Half-Wave Rectifier, gasfilled |
| DD4 | Double Diode |
| DD6 | - |
| DD7 | - |
| DD77 | - |
| DD101 | Double Diode |
| DD620 | Double Diode |
| DD/Pen | Double Diode-Pentode |
| DDD11 | Double Triode |
| DDR7 | - |
| DDT | Double Diode-Triode |
| DDT16 | Double Diode-Triode |
| DE1 | Triode Detector |
| DE2/200 | Full-Wave Vacuum Rectifier |
| DE3 | Triode, vacuum |
| DE4 | Triode, vacuum |
| DE6 | Triode, vacuum |
| DET16 | Transmitting Triode, air cooled |
| DET19 | Double Triode |
| DET22 | Triode, vacuum |
| DF26 | Vacuum Pentode |
| DF33 | Vacuum Pentode |
| DF41w | Vacuum Pentode |
| DF60 | Vacuum Pentode |
| DF61 | Vacuum Pentode |
| DF62 | Vacuum Pentode |
| DF64 | Vacuum Pentode |
| DF65 | Vacuum Pentode |
| DF66 | Vacuum Pentode |
| DF67 | Vacuum Pentode |
| DF70 | Vacuum Pentode |
| DF91 | Vacuum Pentode |
| DF92 | Vacuum Pentode |
| DF96 | Vacuum Pentode |
| DF97 | Vacuum Pentode |
| DF167 | Vacuum Pentode |
| DF191 | Vacuum Pentode |
| DF652 | Vacuum Pentode |
| DF668 | Vacuum Pentode |
| DF669 | Vacuum Pentode |
| DF703 | Electrometer Tetrode or Pentode |
| DF904 | Vacuum Pentode |
| DF961 | Vacuum Pentode |
| DG3-2 | Oscilloscope CRT, picture tube |
| DG3-1 | Oscilloscope CRT, picture tube |
| DG4-2 | Oscilloscope CRT, picture tube |
| DG4-1 | Oscilloscope CRT, picture tube |
| DG7-32 | Oscilloscope CRT, picture tube |
| DG7-36 | Oscilloscope CRT, picture tube |
| DG7-3 | Oscilloscope CRT, picture tube |
| DG7-31 | Oscilloscope CRT, picture tube |
| DG7-2 | Oscilloscope CRT, picture tube |
| DG7-4 | Oscilloscope CRT, picture tube |
| DG7-5 | Oscilloscope CRT, picture tube |
| DG7-1 | Oscilloscope CRT, picture tube |
| DG7-6 | Oscilloscope CRT, picture tube |
| DG9-3 | Oscilloscope CRT, picture tube |
| DG9-5 | Oscilloscope CRT, picture tube |
| DG10-2 | Oscilloscope CRT, picture tube |
| DG10-3 | Oscilloscope CRT, picture tube |
| DG10-5 | Oscilloscope CRT, picture tube |
| DG10-6 | Oscilloscope CRT, picture tube |
| DG13-2 | Oscilloscope CRT, picture tube |
| DG13-32 | Oscilloscope CRT, picture tube |
| DG16-1 | Oscilloscope CRT, picture tube |
| DG16-2 | CRT (cathode ray tube, picture tube) |
| DG25-1 | Oscilloscope CRT, picture tube |
| DH | Triode, vacuum |
| DH7-11 | Oscilloscope CRT, picture tube |
| DH30 | Double Diode-Triode |
| DH63 | Double Diode-Triode |
| DH74 | - |
| DH76 | - |
| DH77 | Double Diode-Triode |
| DH81 | Double Diode-Triode |
| DH118 | Double Diode-Triode |
| DH119 | Double Diode-Triode |
| DH142 | Double Diode-Triode |
| DH149 | - |
| DH150 | Double Diode-Triode |
| DH718 | Double Diode-Triode |
| DH719 | Triple Diode-Triode |
| DH817 | - |
| DHL | Triode, vacuum |
| DHM9-11 | Oscilloscope CRT, picture tube |
| DHM10-93 | Oscilloscope CRT, picture tube |
| DK32 | OCTODE |
| DK40 | OCTODE |
| DK91 | HEPTODE |
| DK92 | Pentagrid-Converter (Heptode) |
| DK96 | Pentagrid-Converter (Heptode) |
| DK97 | - |
| DK192 | HEPTODE |
| DL | Triode, vacuum |
| DL21 | Vacuum Pentode |
| DL29 | Vacuum Pentode |
| DL31 | Vacuum Pentode |
| DL33 | Vacuum Pentode |
| DL35 | Vacuum Pentode |
| DL36 | Vacuum Pentode |
| DL37 | - |
| DL64 | Vacuum Pentode |
| DL65 | Vacuum Pentode |
| DL66 | Vacuum Pentode |
| DL67 | Vacuum Pentode |
| DL68 | Vacuum Pentode |
| DL71 | Vacuum Pentode |
| DL72 | Vacuum Pentode |
| DL73 | Vacuum Pentode |
| DL74M | - |
| DL82 | - |
| DL91 | Vacuum Pentode |
| DL92 | Vacuum Pentode |
| DL93 | Vacuum Pentode |
| DL94 | Vacuum Pentode |
| DL95 | Vacuum Pentode |
| DL96 | Vacuum Pentode |
| DL98 | Beam Power Tube |
| DL167 | Vacuum Pentode |
| DL192 | Vacuum Pentode |
| DL620 | Vacuum Pentode |
| DLL21 | Double Pentode |
| DLS10 | Relay in glass (not Relay Triode) |
| DM15 | Space Charge Tetrode |
| DM21 | Mag. Eye, 2 shadow angles |
| DM70 | Mag. Stripe, exclamation mark |
| DM71 | Mag. Stripe, exclamation mark |
| DM160 | INDICATOR, in general |
| DN7-2 | Oscilloscope CRT, picture tube |
| DN7-3 | Oscilloscope CRT, picture tube |
| DN7-4 | Oscilloscope CRT, picture tube |
| DN7-11 | Oscilloscope CRT, picture tube |
| DN7-6 | Oscilloscope CRT, picture tube |
| DN9-3 | Oscilloscope CRT, picture tube |
| DN9-5 | Oscilloscope CRT, picture tube |
| DN9-4 | Oscilloscope CRT, picture tube |
| DN16-2 | CRT (cathode ray tube, picture tube) |
| DN41 | Double Diode-Pentode |
| DP | Triode, vacuum |
| DP61 | - |
| DP/Pen | Vacuum Pentode |
| DPT | Vacuum Pentode |
| DQ4 | Half-Wave Mercury-Vapor Rectifier |
| DR7-4 | CRT (cathode ray tube, picture tube) |
| DR7-5 | Oscilloscope CRT, picture tube |
| DR7-6 | Oscilloscope CRT, picture tube |
| DR7-3 | CRT (cathode ray tube, picture tube) |
| DR10-3 | Oscilloscope CRT, picture tube |
| DR10-6 | Oscilloscope CRT, picture tube |
| DR10-5 | Oscilloscope CRT, picture tube |
| DR10-2 | Oscilloscope CRT, picture tube |
| DR13-2 | Oscilloscope CRT, picture tube |
| DS | Screen-grid Tetrode |
| DS310 | Triode, vacuum |
| DS311 | Triode, vacuum |
| DS323 | Triode, vacuum |
| DS/Pen | Vacuum Pentode |
| DVS/Pen | Vacuum Pentode |
| DVSG | Screen-grid Tetrode |
| DW4/350 | Full-Wave Vacuum Rectifier |
| DY30 | Half-Wave Vacuum Rectifier |
| DY51 | Half-Wave Vacuum Rectifier |
| DY70 | High-vacuum Rectifier |
| DY80 | Half-Wave Vacuum Rectifier |
| DY86 | High-vacuum Rectifier |
| DY87 | Half-Wave Rectifier |
| DY802 | Half-Wave Vacuum Rectifier |
| DZ10 | Counter / Indicator |
| E | Power Amplifier Triode |
| E1 | Transmitting Triode, air cooled |
| E1C | Triode, vacuum |
| E1F | Vacuum Pentode |
| E2c | Screen-grid Tetrode |
| E2d | Vacuum Pentode |
| E2e | Screen-grid Tetrode |
| E2F | Vacuum Pentode |
| E55L | Vacuum Pentode |
| E80CC | Double Triode |
| E80CF | Triode-Pentode |
| E80F | Vacuum Pentode |
| E80L | Vacuum Pentode |
| E80T | Electron beam switch tube |
| E81CC | Double Triode |
| E81L | Vacuum Pentode |
| E82CC | Double Triode |
| E83CC | Double Triode |
| E83F | Vacuum Pentode |
| E84L | Vacuum Pentode |
| E86C | Triode, vacuum |
| E88C | Triode, vacuum |
| E88CC | Double Triode |
| E89F | - |
| E90C | - |
| E90CC | Double Triode |
| E90F | Vacuum Pentode |
| E90Z | - |
| E91AA | Double Diode |
| E91H | HEPTODE |
| E91N | - |
| E92CC | Double Triode |
| E95F | Vacuum Pentode |
| E99F | Vacuum Pentode |
| E130L | Beam Power Tube |
| E180CC | Double Triode |
| E180F | Vacuum Pentode |
| E180L | - |
| E182C | - |
| E182CC | Double Triode |
| E182F | - |
| E186F | Vacuum Pentode |
| E188CC | Double Triode |
| E235L | Beam Power Tube |
| E236L | Beam Power Tube |
| E280F | Vacuum Pentode |
| E282F | Vacuum Pentode |
| E283CC | Double Triode |
| E288CC | Double Triode |
| E406 | Triode, vacuum |
| E408 | Triode, vacuum |
| E414 | Triode, vacuum |
| E424 | Triode, vacuum |
| E430 | Triode, vacuum |
| E441 | Dual-Grid Tetrode |
| E441N | Dual-Grid Tetrode |
| E442S | Screen-grid Tetrode |
| E443 | Vacuum Pentode |
| E443N | Vacuum Pentode |
| E444 | Diode-Tetrode |
| E444S | Diode-Triode |
| E445 | Screen-grid Tetrode |
| E447 | Vacuum Pentode |
| E449 | HEXODE |
| E453 | Vacuum Pentode |
| E455 | Screen-grid Tetrode |
| E499 | Triode, vacuum |
| E810F | Vacuum Pentode |
| E1148 | Triode, vacuum |
| E1485 | - |
| E2016 | - |
| E2157 | - |
| E2163 | - |
| E2164 | - |
| E9022 | - |
| EA41 | - |
| EA50 | Signal Diode - one single system |
| EA52 | Signal Diode - one single system |
| EA76 | Signal Diode - one single system |
| EA960 | Signal Diode - one single system |
| EAA91 | Double Diode |
| EAA901 | - |
| EAA901S | Double Diode |
| EABC80 | Triple Diode-Triode |
| EAC91 | Diode-Triode |
| EAF41 | Diode-Pentode |
| EAF42 | Diode-Pentode |
| EAF801 | Diode-Pentode |
| EAM86 | Mag. bar tuning indicator + diode |
| EB4 | Double Diode |
| EB34 | Double Diode |
| EB91 | Double Diode |
| EBC3 | Double Diode-Triode |
| EBC41 | Double Diode-Triode |
| EBC80 | Double Diode-Triode |
| EBC81 | Double Diode-Triode |
| EBC90 | Double Diode-Triode |
| EBC91 | Double Diode-Triode |
| EBF11 | Double Diode-Pentode |
| EBF32 | Double Diode-Pentode |
| EBF41 | - |
| EBF80 | Double Diode-Pentode |
| EBF81 | Double Diode-Pentode |
| EBF83 | Double Diode-Pentode |
| EBF85 | Double Diode-Pentode |
| EBF89 | Twin Diode - Semiremote-Cutoff Pentode |
| EBL21 | Double Diode-Pentode |
| EBL31 | Double Diode-Pentode |
| EBL71 | Double Diode-Pentode |
| EC8O | - |
| EC22 | - |
| EC50 | Thyratron |
| EC52 | Triode, vacuum |
| EC53 | Triode, vacuum |
| EC55 | Triode, vacuum |
| EC56 | Triode, vacuum |
| EC57 | Triode, vacuum |
| EC70 | Triode, vacuum |
| EC71 | Triode, vacuum |
| EC80 | Triode, vacuum |
| EC81 | Triode, vacuum |
| EC84 | Triode, vacuum |
| EC86 | Triode, vacuum |
| EC88 | High-Mu Triode |
| EC90 | Triode, vacuum |
| EC91 | Triode, vacuum |
| EC92 | Triode, vacuum |
| EC93 | Triode, vacuum |
| EC94 | Triode, vacuum |
| EC95 | Triode, vacuum |
| EC97 | High-Mu Triode |
| EC157 | Triode, vacuum |
| EC158 | Triode, vacuum |
| EC760 | Triode, vacuum |
| EC806S | Triode, vacuum |
| EC860iII | Thyratron |
| EC900 | Triode, vacuum |
| EC1000 | Triode, vacuum |
| EC8010 | Triode, vacuum |
| ECC32 | Double Triode |
| ECC33 | Double Triode |
| ECC34 | Double Triode |
| ECC35 | Double Triode |
| ECC40 | Double Triode |
| ECC70 | Double Triode |
| ECC81 | High-Mu Twin triode |
| ECC82 | Medium-Mu Twin Triode |
| ECC83 | High-Mu Twin triode |
| ECC84 | Double Triode |
| ECC85 | High-Mu Twin Triode |
| ECC86 | Medium-Mu Twin Triode |
| ECC88 | Double Triode |
| ECC89 | Double Triode |
| ECC91 | Double Triode |
| ECC180 | Double Triode |
| ECC186 | Double Triode |
| ECC189 | Variable-Mu Twin Triode |
| ECC230 | Double Triode |
| ECC801 | Double Triode |
| ECC801S | Double Triode |
| ECC802 | Double Triode |
| ECC802S | Double Triode |
| ECC803 | Double Triode |
| ECC803S | Double Triode |
| ECC804 | Double Triode |
| ECC807 | Double Triode |
| ECC808 | Double Triode |
| ECC813 | Double Triode |
| ECC863 | - |
| ECC900 | - |
| ECC2000 | Double Triode |
| ECC8100 | Double Triode |
| ECF1 | Triode-Pentode |
| ECF12 | Triode-Pentode |
| ECF80 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| ECF82 | Triode-Pentode |
| ECF85 | - |
| ECF86 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| ECF200 | High-Mu Triode - Sharp-Cutoff Pentode |
| ECF201 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| ECF202 | - |
| ECF801 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| ECF802 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| ECF805 | - |
| ECF8070 | Triode-Pentode |
| ECH3 | Triode-Hexode |
| ECH4 | Triode-Heptode |
| ECH11 | Triode-Hexode |
| ECH21 | Triode-Heptode |
| ECH35 | Triode-Hexode |
| ECH42 | Triode-Hexode |
| ECH71 | Triode-Heptode |
| ECH80 | Triode-Hexode |
| ECH81 | Triode-Heptode |
| ECH82 | - |
| ECH83 | Triode-Heptode |
| ECH84 | Triode-Heptode |
| ECH84a | Triode-Heptode |
| ECH113 | Triode-Hexode |
| ECH200 | Triode-Heptode |
| ECL11 | Triode-Beam Power Tube |
| ECL80 | Triode-Pentode |
| ECL81 | Triode-Beam Power Tube |
| ECL82 | High-Mu Triode - Power Pentode |
| ECL83 | Triode-Pentode |
| ECL84 | High-Mu Triode - Sharp-Cutoff Pentode |
| ECL85 | High-Mu Triode - Power Pentode |
| ECL86 | High-Mu Triode - Sharp-Cutoff Pentode |
| ECL100 | - |
| ECL200 | Triode-Pentode |
| ECL805 | Triode-Pentode |
| ECL821 | - |
| ECLL800 | Triode+Double-Beam Power Tube |
| ECR30 | CRT (cathode ray tube, picture tube) |
| ECR35 | CRT (cathode ray tube, picture tube) |
| ECR60 | CRT (cathode ray tube, picture tube) |
| Ed | Triode, vacuum |
| ED2 | - |
| ED500 | Triode, vacuum |
| ED8000 | Triode, vacuum |
| EE1 | Secondary Emission Tetrode |
| EE50 | Secondary Emission Tetrode |
| EF5 | Vacuum Pentode |
| EF6 | Vacuum Pentode |
| EF8 | HEXODE |
| EF9 | Vacuum Pentode |
| EF11 | Vacuum Pentode |
| EF12 | Vacuum Pentode |
| EF13 | Vacuum Pentode |
| EF22 | Vacuum Pentode |
| EF36 | Vacuum Pentode |
| EF37 | Vacuum Pentode |
| EF39 | Vacuum Pentode |
| EF40 | Vacuum Pentode |
| EF41 | Vacuum Pentode |
| EF42 | Vacuum Pentode |
| EF43 | Vacuum Pentode |
| EF50 | Vacuum Pentode |
| EF51 | Vacuum Pentode |
| EF55 | Vacuum Pentode |
| EF70 | Vacuum Pentode |
| EF71 | Vacuum Pentode |
| EF72 | Vacuum Pentode |
| EF73 | Vacuum Pentode |
| EF74 | - |
| EF80 | Vacuum Pentode |
| EF81 | - |
| EF82 | - |
| EF83 | Vacuum Pentode |
| EF85 | Vacuum Pentode |
| EF86 | Vacuum Pentode |
| EF87 | Vacuum Pentode |
| EF89 | Vacuum Pentode |
| EF89F | Vacuum Pentode |
| EF91 | Sharp-Cutoff Pentode |
| EF92 | Vacuum Pentode |
| EF93 | Remote-Cutoff Pentode |
| EF94 | Vacuum Pentode |
| EF95 | Sharp-Cutoff Pentode |
| EF96 | Vacuum Pentode |
| EF97 | Vacuum Pentode |
| EF98 | Vacuum Pentode |
| EF183 | Semiremote-Cutoff Pentode |
| EF184 | Sharp-Cutoff Pentode |
| EF190 | Vacuum Pentode |
| EF730 | Vacuum Pentode |
| EF731 | Vacuum Pentode |
| EF732 | Vacuum Pentode |
| EF734 | Vacuum Pentode |
| EF762 | Vacuum Pentode |
| EF800 | Vacuum Pentode |
| EF802 | Vacuum Pentode |
| EF804 | Vacuum Pentode |
| EF804S | Vacuum Pentode |
| EF805S | Vacuum Pentode |
| EF806S | Vacuum Pentode |
| EF811 | - |
| EF812 | - |
| EF814 | - |
| EF860 | Vacuum Pentode |
| EF905 | Vacuum Pentode |
| EFL200 | Dual Pentode |
| EFM1 | Mag.Eye-Pentode |
| EFP60 | Secondary Emission Pentode |
| EH90 | HEPTODE |
| EH900S | HEPTODE |
| EK90 | Pentagrid-Converter (Heptode) |
| EL1C | Full-Wave Rectifier inert gas filled |
| EL3 | Vacuum Pentode |
| EL3B | - |
| EL3C | Full-Wave Rectifier inert gas filled |
| EL3N | Vacuum Pentode |
| EL5 | Vacuum Pentode |
| EL6 | Vacuum Pentode |
| EL6B | - |
| EL6C | Full-Wave Rectifier inert gas filled |
| EL11 | Vacuum Pentode |
| EL12 | Vacuum Pentode |
| EL33 | Vacuum Pentode |
| EL34 | Beam Power Audio Amplifier |
| EL35 | Vacuum Pentode |
| EL36 | Vacuum Pentode |
| EL37 | Vacuum Pentode |
| EL38 | Vacuum Pentode |
| EL41 | Vacuum Pentode |
| EL42 | Vacuum Pentode |
| EL50 | Vacuum Pentode |
| EL51 | Vacuum Pentode |
| EL60 | Vacuum Pentode |
| EL71 | Vacuum Pentode |
| EL80 | Vacuum Pentode |
| EL81 | Beam Power Tube |
| EL82 | Vacuum Pentode |
| EL83 | Vacuum Pentode |
| EL84 | Power Pentode |
| EL85 | Vacuum Pentode |
| EL86 | Power Pentode |
| EL90 | Beam Power Tube |
| EL91 | Vacuum Pentode |
| EL95 | Power Pentode |
| EL151 | Beam Power Tube |
| EL180 | Vacuum Pentode |
| EL183 | Beam Power Tube |
| EL300 | Beam Power Tube |
| EL500 | Beam Power Pentode |
| EL503 | Beam Power Tube |
| EL504 | Beam Power Tube |
| EL505 | - |
| EL508 | Beam Power Tube |
| EL509 | Beam Power Tube |
| EL519 | Beam Power Tube |
| EL802 | Vacuum Pentode |
| EL803 | Vacuum Pentode |
| EL803S | Vacuum Pentode |
| EL804 | Vacuum Pentode |
| EL820 | - |
| EL821 | Vacuum Pentode |
| EL822 | - |
| ELC3J | Thyratron |
| ELC5F14 | - |
| ELC6C | Thyratron |
| ELC6J | Thyratron |
| ELC16J | Thyratron |
| ELF86 | - |
| ELL80 | Double Beam Power Tube |
| EM1 | Mag. Eye, 4 shadow angles |
| EM11 | Mag. Eye, 2 ranges, 4 shadow angles |
| EM34 | Mag. Eye, 2 ranges, 2 shadow angles |
| EM35 | Mag. Eye, 2 ranges, 4 shadow angles |
| EM71 | Mag. Fan, 1 shadow angle |
| EM80 | Mag. Fan, 2 shadow angles |
| EM81 | Mag. Fan, 1 shadow angle |
| EM83 | Mag. Bar dual tuning indicator |
| EM84 | Electron Ray Tube |
| EM84a | Mag. bar tuning indicator |
| EM85 | Mag. Fan, 1 shadow angle |
| EM87 | Electron-Ray Tube |
| EM840 | Mag. bar tuning indicator |
| EMM801 | Mag. Bar dual tuning indicator |
| EN31 | Thyratron |
| EN32 | - |
| EN91 | - |
| EN92 | Thyratron |
| EN93 | - |
| EQ80 | ENNEODE |
| ESU150 | Half-Wave Mercury-Vapor Rectifier |
| ESU300 | Half-Wave Mercury-Vapor Rectifier |
| EY51 | Half-Wave Vacuum Rectifier |
| EY70 | Half-Wave Vacuum Rectifier |
| EY80 | Damper, booster, flyback diode |
| EY81 | Damper, booster, flyback diode |
| EY81F | - |
| EY82 | Half-Wave Vacuum Rectifier |
| EY83 | Damper, booster, flyback diode |
| EY84 | Half-Wave Vacuum Rectifier |
| EY86 | Half-Wave Vacuum Rectifier |
| EY87 | Half-Wave Vacuum Rectifier |
| EY88 | Half-Wave Rectifier |
| EY91 | Half-Wave Vacuum Rectifier |
| EY500 | Damper, booster, flyback diode |
| EY500A | Damper, booster, flyback diode |
| EYY13 | High-vacuum Rectifier |
| EZ3 | Full-Wave Vacuum Rectifier |
| EZ4 | Full-Wave Vacuum Rectifier |
| EZ9O | - |
| EZ11 | Full-Wave Vacuum Rectifier |
| EZ12 | Full-Wave Vacuum Rectifier |
| EZ22 | Full-Wave Vacuum Rectifier |
| EZ35 | Full-Wave Vacuum Rectifier |
| EZ40 | Full-Wave Vacuum Rectifier |
| EZ80 | Full-Wave Vacuum Rectifier |
| EZ81 | High Vacuum Full-Wave Rectifier |
| EZ90 | Full-Wave Vacuum Rectifier |
| EZ91 | Full-Wave Vacuum Rectifier |
| EZ900 | Full-Wave Vacuum Rectifier |
| F1EL | - |
| F2a11 | Beam Power Tube |
| F2a | Beam Power Tube |
| F215 | Triode, vacuum |
| F443 | Vacuum Pentode |
| F443N | Vacuum Pentode |
| F704 | Triode, vacuum |
| F857B | Gas Rectifier |
| F5008B | Thyratron |
| FA6 | - |
| FC13 | OCTODE |
| FC141 | Pentagrid-Converter (Heptode) |
| FG17 | Thyratron |
| FG-27A | - |
| FG32 | Half-Wave Mercury-Vapor Rectifier |
| FG33 | Thyratron |
| FG57 | Thyratron |
| FG67 | Thyratron |
| FG95 | Thyratron |
| FG-97 | - |
| FG97 | Thyratron |
| FG-98A | - |
| FG105 | Thyratron |
| FG154 | Thyratron |
| FG172 | Thyratron |
| FM1000 | HEPTODE |
| FTL3-1 | Transmitting Triode, air cooled |
| FW4/500 | Full-Wave Vacuum Rectifier |
| FW4/800 | Full-Wave Vacuum Rectifier |
| FW100 | High-vacuum Rectifier |
| G | Triode Voltage Amplifier |
| G4-G4S | Twin Diode |
| G20/40i | Half-Wave Mercury-Vapor Rectifier |
| G20/5d | Half-Wave Mercury-Vapor Rectifier |
| G42 | Vacuum Pentode |
| G75/2D | - |
| G77 | Vacuum Pentode |
| G-84 | Half-Wave Rectifier |
| G84 | - |
| G105/10 | - |
| G150/3D | - |
| G/50/4K | - |
| GA | Pentode |
| GL1 | Full-Wave Rectifier inert gas filled |
| GL3C23 | Thyratron |
| GL146 | Power Triode |
| GL152 | Power Triode |
| GL872A | Half-Wave Mercury-Vapor Rectifier |
| GL931A | Photomultiplier |
| GL-6442 | Power Triode |
| GL8008 | Half-Wave Mercury-Vapor Rectifier |
| GLe10000/025/1 | Half-Wave Mercury-Vapor Rectifier |
| GR15 | Thyratron Cold-cathode |
| GR17 | Thyratron Cold-cathode |
| GT1 | Thyratron |
| GT1A | Thyratron |
| GT1C | Thyratron |
| GT4H | Gas Triode |
| GT21 | Thyratron Cold-cathode |
| GU5 | Half-Wave Mercury-Vapor Rectifier |
| GU50 | Half-Wave Mercury-Vapor Rectifier |
| GY-2 | - |
| GY11 | Half-Wave Vacuum Rectifier |
| GY501 | Half-Wave Vacuum Rectifier |
| GZ30 | Full-Wave Vacuum Rectifier |
| GZ31 | Full-Wave Vacuum Rectifier |
| GZ32 | Full-Wave Vacuum Rectifier |
| GZ33 | Full-Wave Vacuum Rectifier |
| GZ34 | Full-Wave Vacuum Rectifier |
| GZ37 | - |
| GZ40 | Full-Wave Vacuum Rectifier |
| GZ41 | Full-Wave Vacuum Rectifier |
| H | Triode Detector |
| H2-10 | High-vacuum Rectifier |
| H2 | Triode, vacuum |
| H12 | Triode, vacuum |
| H30 | Triode, vacuum |
| H42 | Triode, vacuum |
| H52 | - |
| H63 | Triode, vacuum |
| H141D | Diode-Triode |
| H250 | - |
| H410 | Triode, vacuum |
| H610 | Triode, vacuum |
| HA1 | Triode, vacuum |
| HAA91 | Double Diode |
| HABC80 | Triple Diode-Triode |
| HABC90 | - |
| HBC90 | Double Diode-Triode |
| HBC91 | Double Diode-Triode |
| HCC85 | High-Mu Twin Triode |
| HCC86 | - |
| HCH81 | Triode-Heptode |
| HD14 | Diode-Triode |
| HD22 | Double Diode-Triode |
| HD23 | Double Diode-Triode |
| HD30 | - |
| HD51 | - |
| HD52 | - |
| HD93 | - |
| HD94 | - |
| HD96 | - |
| HF6l | - |
| HF60 | Transmitting Triode, air cooled |
| HF93 | Vacuum Pentode |
| HF94 | Vacuum Pentode |
| HF100 | Transmitting Triode, air cooled |
| HF120 | Transmitting Triode, air cooled |
| HF121 | Vacuum Pentode |
| HF125 | Transmitting Triode, air cooled |
| HF130 | Transmitting Triode, air cooled |
| HF140 | Transmitting Triode, air cooled |
| HF150 | Transmitting Triode, air cooled |
| HF175 | Transmitting Triode, air cooled |
| HF200 | Transmitting Triode, air cooled |
| HF201A | Power Triode |
| HF300 | Power Triode |
| HF3000 | Transmitting Triode, air cooled |
| HK24 | Power Triode |
| HK24G | Transmitting Triode, air cooled |
| HK54 | Power Triode |
| HK57 | Beam Power Tube |
| HK90 | Pentagrid-Converter (Heptode) |
| HK154 | Transmitting Triode, air cooled |
| HK253 | High-vacuum Rectifier |
| HK254 | Transmitting Triode, air cooled |
| HK257 | Beam Power Pentode |
| HK257B | Beam Power Pentode |
| HK354 | Transmitting Triode, air cooled |
| HK354C | Transmitting Triode, air cooled |
| HK354E | Transmitting Triode, air cooled |
| HK454H | Transmitting Triode, air cooled |
| HK454L | Transmitting Triode, air cooled |
| HL2 | Triode, vacuum |
| HL10 | Triode, vacuum |
| HL13 | Triode, vacuum |
| HL21DD | Double Diode-Triode |
| HL22 | TRIODE (Detail uncertain) |
| HL23 | Triode, vacuum |
| HL23DD | Double Diode-Triode |
| HL41 | Triode, vacuum |
| HL42DD | Double Diode-Triode |
| HL86 | - |
| HL90 | Beam Power Tube |
| HL92 | Vacuum Pentode |
| HL94 | Beam Power Tube |
| HL133 | Triode, vacuum |
| HL133DD | Double Diode-Triode |
| HL210 | Triode, vacuum |
| HL410 | Triode, vacuum |
| HL610 | Triode, vacuum |
| HL1320 | Triode, vacuum |
| HLA2 | Triode, vacuum |
| HM04 | - |
| HP6 | - |
| HP1118 | Vacuum Pentode |
| HR2 | Triode, vacuum |
| HRP1/48/2M | CRT (cathode ray tube, picture tube) |
| HVR1 | High-vacuum Rectifier |
| HVR2 | Half-Wave Vacuum Rectifier |
| HWL412 | TWT, Travelling wave tube |
| HY6L6GTX | Power Amplifier Pentode |
| HY6V6GTX | Beam Power Pentode |
| HY24 | Power Triode |
| HY25 | Triode, vacuum |
| HY31Z | Power Triode |
| HY40 | Transmitting Triode, air cooled |
| HY40Z | Triode, vacuum |
| HY51A | Triode, vacuum |
| HY51B | Triode, vacuum |
| HY60 | Power Tetrode |
| HY61 | Power Tetrode |
| HY63 | Power Pentode |
| HY65 | Power Pentode |
| HY67 | Power Pentode |
| HY69 | Power Pentode |
| HY75A | Power Triode |
| HY90 | Half-Wave Vacuum Rectifier |
| HY113 | Triode, vacuum |
| HY114B | Power Triode |
| HY115 | Vacuum Pentode |
| HY123 | Triode, vacuum |
| HY125 | Vacuum Pentode |
| HY145 | Vacuum Pentode |
| HY145ZT | Vacuum Pentode |
| HY155 | Vacuum Pentode |
| HY615 | Power Triode |
| HY1231Z | Power Triode |
| HY1269 | Power Pentode |
| HY-E1148 | Power Triode |
| HZ50 | Half-Wave Rectifier |
| HZ90 | - |
| IF860 | Vacuum Pentode |
| IL861 | Vacuum Pentode |
| IW4/500 | Full-Wave Vacuum Rectifier |
| K-7 | Pulse magnetron |
| K12 | Triode, vacuum |
| K24 | Screen Grid R.F. Amplifie |
| K81A | Noise Diode |
| KB2 | Double Diode |
| KC3 | Triode, vacuum |
| KC4 | Triode, vacuum |
| KCH1 | Triode-Hexode |
| KD21 | - |
| KD24 | - |
| KD25 | - |
| KF1 | Vacuum Pentode |
| KF2 | Vacuum Pentode |
| KF4 | Vacuum Pentode |
| KH1 | HEXODE |
| KL4 | Vacuum Pentode |
| KL5 | Vacuum Pentode |
| KL35 | Vacuum Pentode |
| KR1 | Half-Wave Rectifier |
| KR5 | Power Amplifier Pentode |
| KR20 | Special Detector |
| KR22 | Special Detector |
| KR25 | Power Amplifier Pentode |
| KR28 | Full-Wave Rectifier |
| KR31 | Half-Wave Rectifier |
| KR98 | Full-Wave Rectifier |
| KT2 | Screen-grid Tetrode |
| KT21 | Beam Power Tube |
| KT32 | Beam Power Tube |
| KT33 | Screen-grid Tetrode |
| KT33C | Screen-grid Tetrode |
| KT41 | Beam Power Tube |
| KT61 | Beam Power Tube |
| KT63 | Beam Power Tube |
| KT66 | Beam Power Tube |
| KT71 | - |
| KT77 | - |
| KT88 | Beam Power Tube |
| KTW63 | Vacuum Pentode |
| KTZ41 | Vacuum Pentode |
| KTZ63 | Screen-grid Tetrode |
| KTZ63M | - |
| KY21A | Thyratron |
| KY80 | - |
| L2 | Triode, vacuum |
| L10 | Triode, vacuum |
| L12 | Triode, vacuum |
| L21 | Triode, vacuum |
| L22DD | Double Diode-Triode |
| L30 | Triode, vacuum |
| L63 | Triode, vacuum |
| L63B | - |
| L77 | - |
| L410 | Triode, vacuum |
| L610 | Triode, vacuum |
| LA | Power Amplifier Pentode |
| LA74 | Triode, vacuum |
| LA75 | Triode, vacuum |
| LA77 | Triode, vacuum |
| LB1 | Oscilloscope CRT, picture tube |
| LB2 | Radar Picture Tube |
| LB7/15 | Oscilloscope CRT, picture tube |
| LB8 | Oscilloscope CRT, picture tube |
| LB13/41 | Radar Picture Tube |
| LB13/40 | Radar Picture Tube |
| LC97 | - |
| LC900 | - |
| LCC189 | - |
| LCF80 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| LCF86 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| LCF200 | - |
| LCF201 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| LCF801 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| LCF802 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| LCH200 | - |
| LCL82 | - |
| LCL84 | High-Mu Triode - Sharp-Cutoff Pentode |
| LCL85 | - |
| LCL200 | - |
| LD1 | Triode, vacuum |
| LD2 | Triode, vacuum |
| LD5 | Transmitting Triode, air cooled |
| LD7 | Transmitting Triode, air cooled |
| LD9 | Transmitting Triode, air cooled |
| LD15 | Transmitting Triode, air cooled |
| LF183 | Semiremote-Cutoff Pentode |
| LF184 | Sharp-Cutoff Pentode |
| LFL200 | Dual Pentode |
| LG1 | Double Diode |
| LG2 | Double Diode |
| LG3 | Half-Wave Vacuum Rectifier |
| LG4 | Double Diode |
| LG6 | Full-Wave Vacuum Rectifier |
| LG7 | Double Diode |
| LG10 | Full-Wave Vacuum Rectifier |
| LG12 | Full-Wave Vacuum Rectifier |
| LG14 | Signal Diode - one single system |
| LG71 | TR-switch |
| LG75 | TR-switch |
| LG76 | TR-switch |
| LG200 | Thyratron |
| LG201 | Thyratron Cold-cathode |
| LG998 | Thyratron |
| LG1000 | Thyratron |
| LG1001 | Thyratron |
| LK121 | Voltage Regulator, single |
| LL85 | - |
| LL86 | - |
| LL500 | Beam Power Pentode |
| LL505 | - |
| LL521 | - |
| LL802 | - |
| LN119 | - |
| LN152 | - |
| LN319 | - |
| LP2 | Triode, vacuum |
| LS1 | Vacuum Pentode |
| LS2 | Double Triode |
| LS3 | Diode-Triode |
| LS4 | Vacuum Pentode |
| LS5A | Triode, vacuum |
| LS6A | Triode, vacuum |
| LS30 | Triode, vacuum |
| LS50 | Vacuum Pentode |
| LS52 | Vacuum Pentode |
| LS180 | Transmitting Triode, air cooled |
| LS300 | Transmitting Triode, air cooled |
| LS1500 | Transmitting Triode, air cooled |
| LSS | Gas Triode |
| LV1 | Vacuum Pentode |
| LV3 | Vacuum Pentode |
| LV4 | Double Pentode |
| LV5 | Vacuum Pentode |
| LV13 | Triode, vacuum |
| LY81 | - |
| LY88 | - |
| LY500 | - |
| LZ319 | - |
| LZ329 | - |
| LZ339 | - |
| M15 | Triode, vacuum |
| M300 | Triode, vacuum |
| M400 | Triode, vacuum |
| M8063 | - |
| M8079 | - |
| M8080 | - |
| M8081 | - |
| M8096 | - |
| M8100 | - |
| M8101 | - |
| M8121 | - |
| M8136 | - |
| M8137 | - |
| M8162 | - |
| M8196 | - |
| M8204 | - |
| M8212 | - |
| M8223 | - |
| M8224 | - |
| M8232 | - |
| M8245 | - |
| MA4/500 | Transmitting Triode, air cooled |
| MA4/600 | Transmitting Triode, air cooled |
| MA12/15 | Transmitter Triode, liquid-cooling |
| MC1 | Triode, vacuum |
| MC1/60 | Transmitting Triode, air cooled |
| MC1/50 | Triode, vacuum |
| MC2/200 | Transmitting Triode, air cooled |
| ME41 | Mag. Eye, 1 shadow angle |
| ME91 | Magic Eye, generally |
| ME920 | Mag. Eye, 1 shadow angle |
| ME1400 | Electrometer Tetrode or Pentode |
| MF2 | Vacuum Pentode |
| MF6 | Vacuum Pentode |
| MH4 | Triode, vacuum |
| MH41 | Triode, vacuum |
| MH1118 | Pentagrid-Converter (Heptode) |
| MHD4 | Double Diode-Triode |
| MHL4 | Triode, vacuum |
| MKT4 | Screen-grid Tetrode |
| ML4 | Triode, vacuum |
| ML5604 | Transmitting Triode, air cooled |
| ML5619 | Transmitting Triode, air cooled |
| ML5658 | Transmitter Triode, liquid-cooling |
| ML5666 | Transmitter Triode, liquid-cooling |
| ML5667 | Transmitting Triode, air cooled |
| ML5668 | Transmitter Triode, liquid-cooling |
| MP/Pen | Vacuum Pentode |
| MPT4 | Vacuum Pentode |
| MS4B | Screen-grid Tetrode |
| MS11-1 | PICTURE TUBE general |
| MS/Pen | Vacuum Pentode |
| MSG/HA | Screen-grid Tetrode |
| MSG/LA | Screen-grid Tetrode |
| MSP4 | Vacuum Pentode |
| MSP41 | Vacuum Pentode |
| MU2 | Half-Wave Mercury-Vapor Rectifier |
| MU12 | Full-Wave Vacuum Rectifier |
| MU14 | Full-Wave Vacuum Rectifier |
| MV6-5 | - |
| MVS/Pen | Vacuum Pentode |
| MW22-14 | Television picture tube black+white |
| MW22-1 | Television picture tube black+white |
| MW22-5 | Television picture tube black+white |
| MW22-7 | Television picture tube black+white |
| MW22-16 | Television picture tube black+white |
| MW31-14 | Television picture tube black+white |
| MW31-6 | Television picture tube black+white |
| MW31-7 | Television picture tube black+white |
| MW36-22 | Television picture tube black+white |
| MW36-24 | Television picture tube black+white |
| MW36-44 | Television picture tube black+white |
| MW39-3 | Television picture tube black+white |
| MW43-64 | Television picture tube black+white |
| MW43-69 | Television picture tube black+white |
| MW43-43 | Television picture tube black+white |
| MW53-20 | Projection Television picture tube B/W |
| MW53-80 | Television picture tube black+white |
| MX40 | Pentagrid-Converter (Heptode) |
| N2ED | - |
| N14 | Vacuum Pentode |
| N15 | - |
| N16 | - |
| N17 | Vacuum Pentode |
| N18 | Vacuum Pentode |
| N19 | - |
| N22LL | - |
| N25 | - |
| N30EL | - |
| N31 | Vacuum Pentode |
| N41 | Vacuum Pentode |
| N42 | Vacuum Pentode |
| N43 | Vacuum Pentode |
| N47 | - |
| N63 | Vacuum Pentode |
| N66 | Vacuum Pentode |
| N77 | Vacuum Pentode |
| N78 | Vacuum Pentode |
| N119 | - |
| N142 | Vacuum Pentode |
| N144 | - |
| N147 | Vacuum Pentode |
| N148 | - |
| N150 | Vacuum Pentode |
| N152 | - |
| N153 | - |
| N154 | - |
| N155 | - |
| N308 | - |
| N309 | - |
| N329 | - |
| N359 | - |
| N369 | - |
| N378 | - |
| N379 | - |
| N389 | - |
| N709 | Vacuum Pentode |
| N727 | - |
| NF2 | Vacuum Pentode |
| NF3 | Vacuum Pentode |
| NF4 | Vacuum Pentode |
| NU1106 | - |
| OBC3 | Double Diode-Triode |
| OF1 | Vacuum Pentode |
| OF5 | Vacuum Pentode |
| OH4 | Pentagrid-Converter (Heptode) |
| OM3 | Double Diode |
| OM4 | Double Diode-Triode |
| OM5 | Vacuum Pentode |
| OM6 | Vacuum Pentode |
| OQ71/1000 | Triode, vacuum |
| OS12/500 | Vacuum Pentode |
| OSW2190 | - |
| OSW2192 | - |
| OSW2600 | - |
| OSW2601 | - |
| OSW3104 | - |
| OSW3105 | - |
| OSW3106 | - |
| OSW3107 | - |
| OSW3109 | - |
| OSW3110 | - |
| OSW3111 | - |
| OSW3112 | - |
| P2 | Vacuum Pentode |
| P17A | - |
| P25/450 | Triode, vacuum |
| P26/500 | Triode, vacuum |
| P27/500 | Triode, vacuum |
| P28/500 | Triode, vacuum |
| P40/800 | Triode, vacuum |
| P41 | Triode, vacuum |
| P50 | Vacuum Pentode |
| P120-1 | Transmitting Tube, Pentode, air cooled |
| P220 | Triode, vacuum |
| P220A | Triode, vacuum |
| P240 | Triode, vacuum |
| P300-1 | Transmitting Tube, Pentode, air cooled |
| P410 | Triode, vacuum |
| P415 | Triode, vacuum |
| P425 | Triode, vacuum |
| P500 | Transmitting Tube, Pentode, air cooled |
| P610 | Triode, vacuum |
| P625 | Triode, vacuum |
| P861 | Full-Wave Rectifier |
| PA1 | Triode, vacuum |
| PA12/15 | Transmitter Pentode, liquid-cooling |
| PA20 | Triode, vacuum |
| PA40 | Triode, vacuum |
| PABC80 | Triple Diode-Triode |
| PAL12/15 | Transmitting Tetrode, air cooled |
| PAW12/15 | Transmitter Pentode, liquid-cooling |
| PB2/500 | Transmitting Tube, Pentode, air cooled |
| PB3/800 | Transmitting Tube, Pentode, air cooled |
| PC1/50 | Transmitting Tube, Pentode, air cooled |
| PC03/3B | Transmitting Tube, Pentode, air cooled |
| PC03/3A | Transmitting Tube, Pentode, air cooled |
| PC03/3 | Transmitting Tube, Pentode, air cooled |
| PC05/15 | Transmitting Tube, Pentode, air cooled |
| PC86 | Triode, vacuum |
| PC88 | Triode, vacuum |
| PC89 | - |
| PC92 | Triode, vacuum |
| PC93 | Triode, vacuum |
| PC95 | Triode, vacuum |
| PC97 | Triode, vacuum |
| PC900 | Triode, vacuum |
| PCC18 | - |
| PCC84 | Double Triode |
| PCC85 | Double Triode |
| PCC88 | Twin Triode |
| PCC89 | Double Triode |
| PCC186 | - |
| PCC189 | Double Triode |
| PCC805 | - |
| PCE800 | - |
| PCF80 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| PCF82 | Triode-Pentode |
| PCF86 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| PCF200 | Triode-Pentode |
| PCF201 | Triode-Pentode |
| PCF800 | - |
| PCF801 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| PCF802 | Triode-Pentode |
| PCF803 | Triode-Pentode |
| PCF805 | - |
| PCF806 | - |
| PCH200 | Triode-Heptode |
| PCL81 | Triode-Beam Power Tube |
| PCL82 | High-Mu Triode - Power Pentode |
| PCL83 | Triode-Pentode |
| PCL84 | High-Mu Triode - Sharp-Cutoff Pentode |
| PCL85 | High-Mu Triode - Power Pentode |
| PCL86 | Triode-Beam Power Tube |
| PCL88 | - |
| PCL200 | Triode-Beam Power Tube |
| PCL800 | - |
| PCL801 | - |
| PCL805 | Triode-Beam Power Tube |
| PD220 | Triode, vacuum |
| PD220A | Double Triode |
| PD500 | Triode, vacuum |
| PD510 | Triode, vacuum |
| PE1/100 | Transmitting Tube, Pentode, air cooled |
| PE1/80 | Transmitting Tube, Pentode, air cooled |
| PE04/10 | Transmitting Tube, Pentode, air cooled |
| PE05/25 | Vacuum Pentode |
| PE05/15 | Transmitting Tube, Pentode, air cooled |
| PE06/40N | Vacuum Pentode |
| PE06/40E | Vacuum Pentode |
| Pen4VA | Vacuum Pentode |
| Pen4VB | Vacuum Pentode |
| Pen24 | Vacuum Pentode |
| Pen26 | Vacuum Pentode |
| Pen36C | Vacuum Pentode |
| Pen40DD | Double Diode-Pentode |
| Pen45 | Beam Power Tube |
| Pen45DD | Double Diode-Tetrode |
| Pen141 | Vacuum Pentode |
| Pen231 | Vacuum Pentode |
| Pen383 | Beam Power Tube |
| Pen3520 | Vacuum Pentode |
| Pen3820 | Beam Power Tube |
| PenA1 | Vacuum Pentode |
| PenB1 | Vacuum Pentode |
| PenDD4020 | Double Diode-Pentode |
| PenDD4021 | Double Diode-Pentode |
| PF9 | Vacuum Pentode |
| PF86 | Vacuum Pentode |
| PF88 | - |
| PFL200 | Double Pentode |
| PH4 | Pentagrid-Converter (Heptode) |
| PJ7 | - |
| PJ8 | - |
| PJ21 | - |
| PL17 | Thyratron |
| PL21 | Thyratron |
| PL36 | Beam Power Tube |
| PL38 | Vacuum Pentode |
| PL57 | Thyratron |
| PL81 | Beam Power Tube |
| PL81A | Vacuum Pentode |
| PL82 | Vacuum Pentode |
| PL83 | Vacuum Pentode |
| PL84 | Vacuum Pentode |
| PL105 | Thyratron |
| PL-172 | Beam Power Pentode |
| PL-175A | Power Tetrode |
| PL-177A | Beam Power Pentode |
| PL255 | Thyratron |
| PL300 | Beam Power Tube |
| PL302 | - |
| PL500 | Beam Power Pentode |
| PL504 | Beam Power Tube |
| PL505 | Beam Power Tube |
| PL508 | Beam Power Tube |
| PL509 | Beam Power Tube |
| PL519 | Beam Power Tube |
| PL521 | - |
| PL801 | - |
| PL802 | Beam Power Tube |
| PL805 | Beam Power Tube |
| PL820 | - |
| PL1267 | Thyratron Cold-cathode |
| PL1607 | Thyratron |
| PL5684 | Thyratron |
| PL-6549 | Beam Power Pentode |
| PL-6569 | Power Triode |
| PL-6580 | Power Triode |
| PL-8295 | Beam Power Pentode |
| PLL80 | Double Beam Power Tube |
| PM04 | - |
| PM05 | - |
| PM07 | - |
| PM84 | Mag. bar tuning indicator |
| PM95 | - |
| PP3/250 | Triode, vacuum |
| PP5/400 | Triode, vacuum |
| PP6BG | Vacuum Pentode |
| PP4018 | Vacuum Pentode |
| PT2 | Vacuum Pentode |
| PT4 | Vacuum Pentode |
| PT15 | Transmitting Tube, Pentode, air cooled |
| PT25H | Vacuum Pentode |
| PT41 | Vacuum Pentode |
| PT41B | Vacuum Pentode |
| PT240 | Vacuum Pentode |
| PT425 | Vacuum Pentode |
| PTA | Vacuum Pentode |
| PV4018 | High-vacuum Rectifier |
| PX25 | Triode, vacuum |
| PX25A | Triode, vacuum |
| PY31 | Half-Wave Vacuum Rectifier |
| PY80 | Damper, booster, flyback diode |
| PY81 | Damper, booster, flyback diode |
| PY82 | Half-Wave Vacuum Rectifier |
| PY83 | Damper, booster, flyback diode |
| PY88 | Damper, booster, flyback diode |
| PY301 | - |
| PY500 | Damper, booster, flyback diode |
| PY500A | Damper, booster, flyback diode |
| PY800 | - |
| PY801 | - |
| PZ | Power Amplifier Pentode |
| PZ30 | High-vacuum Rectifier |
| PZH | Power Amplifier Pentode |
| Q450-1 | Transmitting Tetrode, air cooled |
| QA2401 | - |
| QA2404 | - |
| QA2406 | - |
| QA2407 | - |
| QA2408 | - |
| QB3/300 | Transmitting Triode, air cooled |
| QB4/1100 | Screen-grid Tetrode |
| QB5/1750 | - |
| QB65 | - |
| QB309 | - |
| QC05/35 | Beam Power Tube |
| QE03/10 | Beam Power Tube |
| QE04/10 | Transmitting Tetrode, air cooled |
| QE05/40 | Transmitting Tube, Pentode, air cooled |
| QE05/40H | Transmitting Tube, Pentode, air cooled |
| QE05/40F | Transmitting Tube, Pentode, air cooled |
| QE06/50 | Beam Power Tube |
| QE08/200H | Beam Power Tube |
| QE08/200 | Beam Power Tube |
| QEL1/150 | Beam Power Tube |
| QF-197 | - |
| QF-200C | - |
| QF-206 | - |
| QL77 | - |
| QM556 | - |
| QM557 | - |
| QM558 | - |
| QM559 | - |
| QN77 | - |
| QP21 | Double Pentode |
| QP25 | Double Pentode |
| QP230 | Double Pentode |
| QP240 | Double Pentode |
| QQC03/14 | Double Tetrode |
| QQC04/15 | Double Tetrode |
| QQE02/5 | Double Tetrode |
| QQE03/12 | Double Beam Power Tube |
| QQE03/20 | Double Tetrode |
| QQE04/20 | Double Beam Power Tube |
| QQE04/5 | Double Tetrode |
| QQE06/40 | Double Tetrode |
| QQV02-6 | Double Tetrode |
| QQV03-10 | Double Beam Power Tube |
| QQV03-20 | - |
| QQV04-15 | Double Beam Power Tube |
| QQV06-40A | Double Tetrode |
| QQZ04-15 | Double Tetrode |
| QS150/40 | - |
| QS1205 | - |
| QS1206 | - |
| QS1207 | - |
| QS1208 | - |
| QS1209 | - |
| QS1210 | - |
| QS1211 | - |
| QS2404 | - |
| QS2406 | - |
| QV03-12 | - |
| QV04-7 | Beam Power Tube |
| QV05-25 | Beam Power Tube |
| QV06-20 | Beam Power Tube |
| QW77 | - |
| QZ06-20 | Beam Power Tube |
| QZ77 | - |
| R1 | Full-Wave Vacuum Rectifier |
| R2 | Full-Wave Vacuum Rectifier |
| R3 | Full-Wave Vacuum Rectifier |
| R10 | Half-Wave Vacuum Rectifier |
| R12 | - |
| R15 | Triode, vacuum |
| R16 | - |
| R18 | Space Charge Tetrode |
| R19 | - |
| R20 | - |
| R24 | Triode, vacuum |
| R31 | Triode, vacuum |
| R36 | Triode, vacuum |
| R36D | TRIODE (Detail uncertain) |
| R41 | Triode, vacuum |
| R43 | Dual-Grid Tetrode |
| R50 | Triode, vacuum |
| R52 | Full-Wave Vacuum Rectifier |
| R120 | Full-Wave Mercury-Vapor Rectifier |
| R144 | - |
| R145 | Half-Wave Vacuum Rectifier |
| RA1 | Amplifier |
| RCA3-5586 | - |
| RD2Mc | Magnetron |
| RD2Md | CW-magnetron |
| RD2Me | Magnetron |
| RD4Ma | Magnetron |
| RD12Ga | Double Diode |
| RD12La | Reflex Klystron |
| RD12Pb | Vacuum Pentode |
| RD12Ta | Triode, vacuum |
| RD12Te | Transmitting Triode, air cooled |
| RD12Tf | Transmitting Triode, air cooled |
| RE1 | Full-Wave Rectifier |
| RE2 | Half-Wave Rectifier |
| RE034 | Triode, vacuum |
| RE052 | Triode, vacuum |
| RE052t | Triode, vacuum |
| RE054 | Triode, vacuum |
| RE062 | Triode, vacuum |
| RE064 | TRIODE (Detail uncertain) |
| RE074d | Space Charge Tetrode |
| RE074neutro | Triode, vacuum |
| RE78 | Triode, vacuum |
| RE79 | Triode, vacuum |
| RE84 | Triode, vacuum |
| RE084 | Triode, vacuum |
| RE88 | Triode, vacuum |
| RE89 | Triode, vacuum |
| RE95 | Triode, vacuum |
| RE96 | Triode, vacuum |
| RE97 | Triode, vacuum |
| RE102 | TRIODE (Detail uncertain) |
| RE112 | TRIODE (Detail uncertain) |
| RE114 | Triode, vacuum |
| RE134 | Triode, vacuum |
| RE154 | Triode, vacuum |
| RE205 | Triode, vacuum |
| RE209 | Triode, vacuum |
| RE212 | Space Charge Tetrode |
| RE304 | Triode, vacuum |
| RE402B | Double Triode |
| RE604K | Triode, vacuum |
| REN704d | Dual-Grid Tetrode |
| REN904 | Triode, vacuum |
| REN914 | Triode, vacuum |
| REN1004 | Triode, vacuum |
| REN1104 | Triode, vacuum |
| REN1817d | Dual-Grid Tetrode |
| REN1826 | Diode-Triode |
| RENS1204 | Screen-grid Tetrode |
| RENS1214 | Screen-grid Tetrode |
| RENS1224 | HEXODE |
| RENS1254 | Diode-Tetrode |
| RENS1274 | Screen-grid Tetrode |
| RENS1294 | Vacuum Pentode |
| RENS1384 | Vacuum Pentode |
| RENS1818 | Screen-grid Tetrode |
| RENS1819 | Screen-grid Tetrode |
| RENS1824 | HEXODE |
| RENS1854 | Diode-Tetrode |
| RENS1884 | Vacuum Pentode |
| RENS1894 | Vacuum Pentode |
| RES044 | Screen-grid Tetrode |
| RES094 | Screen-grid Tetrode |
| RES164 | Vacuum Pentode |
| RES164d | Vacuum Pentode |
| RES174d | Vacuum Pentode |
| RES212 | Vacuum Pentode |
| RES374 | Vacuum Pentode |
| RES664d | Vacuum Pentode |
| RES964 | Vacuum Pentode |
| RES1664d | Vacuum Pentode |
| RFG4 | Half-Wave Vacuum Rectifier |
| RFG5 | Half-Wave Vacuum Rectifier |
| RG2D1 | SINGLE-DIODE-TUBE (no details yet) |
| RG12D300 | Full-Wave Vacuum Rectifier |
| RG12D3 | Double Diode |
| RG12D2 | Double Diode |
| RG12D60 | Full-Wave Vacuum Rectifier |
| RG64 | Full-Wave Vacuum Rectifier |
| RG1000/3000 | Half-Wave Rectifier, gasfilled |
| RGN1064 | Full-Wave Vacuum Rectifier |
| RH7C | Triode, vacuum |
| RJ2 | - |
| RK3B29 | Half-Wave Vacuum Rectifier |
| RK4B31 | Half-Wave Vacuum Rectifier |
| RK4D32 | Transmitting Tube, Pentode, air cooled |
| RK4D22 | Transmitting Tube, Pentode, air cooled |
| RK4MM1 | CRT (cathode ray tube, picture tube) |
| RK10 | Triode, vacuum |
| RK11 | Triode, vacuum |
| RK12 | Triode, vacuum |
| RK12SS1 | Oscilloscope CRT, picture tube |
| RK18 | Triode, vacuum |
| RK19 | Full-Wave Vacuum Rectifier |
| RK20 | Power Pentode |
| RK20A | Power Pentode |
| RK21 | Half-Wave Vacuum Rectifier |
| RK22 | Full-Wave Vacuum Rectifier |
| RK23 | Power Pentode |
| RK24 | Power Triode |
| RK25 | Power Pentode |
| RK25B | Power Pentode |
| RK28 | Power Pentode |
| RK28A | Power Pentode |
| RK30 | Transmitting Triode, air cooled |
| RK31 | Triode, vacuum |
| RK32 | Transmitting Triode, air cooled |
| RK33 | Double Triode |
| RK34 | Power Triode |
| RK35 | Transmitting Triode, air cooled |
| RK36 | Transmitting Triode, air cooled |
| RK37 | Transmitting Triode, air cooled |
| RK38 | Transmitting Triode, air cooled |
| RK39 | Power Tetrode |
| RK41 | Power Tetrode |
| RK42 | Triode, vacuum |
| RK43 | Double Triode |
| RK44 | Beam Power Pentode |
| RK46 | Power Pentode |
| RK47 | Power Pentode |
| RK48 | Power Pentode |
| RK49 | Power Tetrode |
| RK51 | Transmitting Triode, air cooled |
| RK52 | Transmitting Triode, air cooled |
| RK56 | Power Tetrode |
| RK57 | Triode, vacuum |
| RK58 | Triode, vacuum |
| RK60 | Full-Wave Vacuum Rectifier |
| RK61 | Gas Triode |
| RK64 | Power Tetrode |
| RK65 | Power Tetrode |
| RK66 | Power Pentode |
| RK75 | Power Pentode |
| RK100 | Gas Tetrode |
| RKR72 | - |
| RKR73 | - |
| RL2P3 | Transmitting Tube, Pentode, air cooled |
| RL2T2 | Triode, vacuum |
| RL12P2 | Vacuum Pentode |
| RL12P35 | Transmitting Tube, Pentode, air cooled |
| RL12P10 | Vacuum Pentode |
| RL12P50 | Transmitting Tube, Pentode, air cooled |
| RL12T1 | Transmitting Triode, air cooled |
| RL12T15 | Transmitting Triode, air cooled |
| RL12T2 | Triode, vacuum |
| RL12T75 | Transmitting Triode, air cooled |
| RL21 | - |
| RL1267 | - |
| RS2 | TRIODE |
| RS241 | Triode, vacuum |
| RS249 | Transmitting Triode, air cooled |
| RS291 | Transmitting Tetrode, air cooled |
| RS389 | Transmitting Tube, Pentode, air cooled |
| RS391 | Transmitting Tube, Pentode, air cooled |
| RS685 | Transmitting Tetrode, air cooled |
| RS720 | Transmitting Triode, air cooled |
| RS1009 | Double Tetrode |
| RS1029 | Double Beam Power Tube |
| RV2.4P700 | Placeholder for solid state |
| RV2P800 | Vacuum Pentode |
| RV2P700 | Vacuum Pentode |
| RV12H300 | HEXODE |
| RV12P3000 | Vacuum Pentode |
| RV12P2001 | Vacuum Pentode |
| RV12P2000 | Vacuum Pentode |
| RV12P4000 | Vacuum Pentode |
| RV25 | Triode, vacuum |
| RV239 | Triode, vacuum |
| RW3 | TWT, Travelling wave tube |
| RX21A | Half-Wave Rectifier, gasfilled |
| S01 | Amplifier |
| S12 | Screen-grid Tetrode |
| S15/5d | Thyratron |
| S15/40i | Thyratron |
| S21 | Screen-grid Tetrode |
| S23 | Screen-grid Tetrode |
| S24 | Screen-grid Tetrode |
| S130 | Voltage Regulator, single |
| S340 | - |
| S610 | Screen-grid Tetrode |
| S856 | - |
| SA100 | Signal Diode - one single system |
| SA101 | Signal Diode - one single system |
| SA102 | Signal Diode - one single system |
| SD1A | Triode, vacuum |
| SD3 | Triode, vacuum |
| SF1A | Vacuum Pentode |
| SM150-30 | - |
| SN4 | Triode, vacuum |
| SP6 | - |
| SP13 | Vacuum Pentode |
| SP22 | Vacuum Pentode |
| SP41 | Vacuum Pentode |
| SP42 | Vacuum Pentode |
| SP61 | Vacuum Pentode |
| SP141 | Vacuum Pentode |
| SP210 | Vacuum Pentode |
| SP2220 | Vacuum Pentode |
| SR2 | - |
| SR3 | - |
| SR55 | - |
| SR56 | - |
| SRS326 | Triode, vacuum |
| SRS551 | Transmitting Tube, Pentode, air cooled |
| SRS552N | Transmitting Tube, Pentode, air cooled |
| SRS4451 | Double Tetrode |
| SS | Gas Triode |
| Ste350/02/03 | Thyratron |
| Ste1000/02/03 | Thyratron |
| Ste1300/01/05 | Thyratron |
| Ste15000/15/45 | Thyratron |
| StR75/60 | Voltage Regulator, single |
| STR85/10 | - |
| StR85/10 | Voltage Regulator, single |
| StR90/40 | Voltage Regulator, single |
| STR108/30 | - |
| StR108/30 | Voltage Regulator, single |
| STR150/30 | - |
| StR150/60 | Voltage Regulator, single |
| StR150/30 | Voltage Regulator, single |
| STV85/10 | Voltage Regulator, single |
| STV108/30 | - |
| STV150/30 | Voltage Regulator, single |
| STV280/40 | Voltage Regulator, cascade |
| STV280/80 | Voltage Regulator, cascade |
| SU61 | - |
| T2M05 | - |
| T6D | - |
| T11 | Thyratron |
| T20 | Power Triode |
| T21 | Power Tetrode |
| T31 | Thyratron |
| T40 | Power Triode |
| T55 | Power Triode |
| T60 | Transmitting Triode, air cooled |
| T77 | Vacuum Pentode |
| T113 | Electrometer, Space Charge Grid |
| T116 | Electrometer, Space Charge Grid |
| T200 | Power Triode |
| T-300 | Power Triode |
| T300-1 | Transmitting Triode, air cooled |
| T510-1 | Triode, vacuum |
| T2000-1 | Transmitting Triode, air cooled |
| TA3/500 | Transmitting Triode, air cooled |
| TA3/500K | Transmitting Triode, air cooled |
| TA4/1500K | Transmitting Triode, air cooled |
| TA4/250 | Transmitting Triode, air cooled |
| TA4/1500 | Transmitting Triode, air cooled |
| TA10/5000K | Transmitter Triode, liquid-cooling |
| TA12/35 | Transmitter Triode, liquid-cooling |
| TA12/20 | Transmitter Triode, liquid-cooling |
| TA18/100 | Transmitter Triode, liquid-cooling |
| TA20/250 | Transmitter Triode, liquid-cooling |
| TAC2 | Triode, vacuum |
| TAL12/10 | Transmitting Triode, air cooled |
| TAW12/10 | Transmitter Triode, liquid-cooling |
| TB1/60 | Transmitting Triode, air cooled |
| TB2/500 | Transmitting Triode, air cooled |
| TB3/1000 | Transmitting Triode, air cooled |
| TB04/8 | Transmitting Triode, air cooled |
| TB5/2500 | Transmitting Triode, air cooled |
| TC1/75 | Transmitting Triode, air cooled |
| TC1/40 | Transmitting Triode, air cooled |
| TC2/250 | Transmitting Triode, air cooled |
| TC04/10 | Triode, vacuum |
| TC05/25 | Transmitting Triode, air cooled |
| TCBC1 | Double Diode-Triode |
| TCF3 | Vacuum Pentode |
| TCY1 | Half-Wave Vacuum Rectifier |
| TDD13C | Double Diode-Triode |
| TE05/10 | Transmitting Triode, air cooled |
| TE35 | - |
| TE36 | - |
| TE40 | - |
| TEF5 | Vacuum Pentode |
| TEF6 | Vacuum Pentode |
| TEK2 | OCTODE |
| TEZ2 | Full-Wave Vacuum Rectifier |
| TH13C | HEXODE |
| TH21C | Triode-Heptode |
| TH30C | Triode-Heptode |
| TH62 | - |
| TH71 | Thermocouple |
| TH73 | Thermocouple |
| TH75 | Thermocouple |
| TH2320 | Triode-Heptode |
| TH2321 | Triode-Heptode |
| TK61 | Reflex Klystron |
| TKK2 | OCTODE |
| TL | Triode, vacuum |
| TM12 | - |
| TP22 | Triode-Pentode |
| TP23 | Triode-Pentode |
| TP25 | Triode-Pentode |
| TP26 | Triode-Pentode |
| TS | Triode, vacuum |
| TS6 | Transmitting Triode, air cooled |
| TS41 | Transmitting Triode, air cooled |
| TSE4 | Diode-Tetrode |
| TSP4 | Vacuum Pentode |
| TTZ63 | - |
| TZ20 | Power Triode |
| TZ40 | Power Triode |
| U10 | Full-Wave Vacuum Rectifier |
| U12 | Full-Wave Vacuum Rectifier |
| U14 | Full-Wave Vacuum Rectifier |
| U16 | Half-Wave Vacuum Rectifier |
| U17 | Half-Wave Vacuum Rectifier |
| U18 | Full-Wave Vacuum Rectifier |
| U19 | Half-Wave Vacuum Rectifier |
| U21 | Half-Wave Vacuum Rectifier |
| U22 | Half-Wave Vacuum Rectifier |
| U24 | Half-Wave Vacuum Rectifier |
| U26 | - |
| U30 | High-vacuum Rectifier |
| U31 | Half-Wave Vacuum Rectifier |
| U37 | - |
| U41 | Half-Wave Vacuum Rectifier |
| U43 | - |
| U45 | - |
| U49 | - |
| U50 | Full-Wave Vacuum Rectifier |
| U51 | - |
| U52 | Full-Wave Vacuum Rectifier |
| U54 | - |
| U70 | - |
| U74 | - |
| U76 | - |
| U77 | - |
| U78 | Full-Wave Vacuum Rectifier |
| U82 | - |
| U118 | - |
| U119 | - |
| U142 | Half-Wave Vacuum Rectifier |
| U145 | Half-Wave Vacuum Rectifier |
| U147 | Full-Wave Vacuum Rectifier |
| U149 | Full-Wave Vacuum Rectifier |
| U150 | Full-Wave Vacuum Rectifier |
| U151 | - |
| U152 | - |
| U153 | - |
| U154 | - |
| U191 | - |
| U192 | - |
| U193 | - |
| U251 | - |
| U309 | - |
| U319 | - |
| U329 | - |
| U339 | - |
| U349 | - |
| U381 | - |
| U404 | Half-Wave Vacuum Rectifier |
| U707 | - |
| U709 | - |
| U718 | - |
| U4020 | Half-Wave Vacuum Rectifier |
| UA55 | Double Tetrode |
| UAA91 | Double Diode |
| UABC80 | Triple Diode-Triode |
| UAF41 | Diode-Pentode |
| UAF42 | Diode-Pentode |
| UBC41 | Double Diode-Triode |
| UBC80 | - |
| UBC81 | Double Diode-Triode |
| UBF80 | Double Diode-Pentode |
| UBF89 | Double Diode-Pentode |
| UBL1 | Double Diode-Pentode |
| UBL21 | Double Diode-Pentode |
| UBL71 | Double Diode-Pentode |
| UC92 | Triode, vacuum |
| UCC85 | Double Triode |
| UCF12 | Triode-Pentode |
| UCF80 | Triode-Pentode |
| UCH4 | Triode-Heptode |
| UCH11 | Triode-Hexode |
| UCH21 | Triode-Heptode |
| UCH41 | Triode-Hexode |
| UCH42 | Triode-Hexode |
| UCH71 | Triode-Heptode |
| UCH80 | - |
| UCH81 | Triode-Heptode |
| UCL11 | Triode-Beam Power Tube |
| UCL82 | Triode-Pentode |
| UD41 | High-vacuum Rectifier |
| UF11 | Vacuum Pentode |
| UF21 | Vacuum Pentode |
| UF41 | Vacuum Pentode |
| UF43 | Vacuum Pentode |
| UF80 | Vacuum Pentode |
| UF85 | Vacuum Pentode |
| UF86 | Vacuum Pentode |
| UF89 | Vacuum Pentode |
| UFM11 | Mag. Eye, 2 shadow angles, Pentode |
| UH50 | Transmitting Triode, air cooled |
| UL12 | Vacuum Pentode |
| UL41 | Vacuum Pentode |
| UL44 | Vacuum Pentode |
| UL84 | Vacuum Pentode |
| UM11 | Mag. Eye, 2 ranges, 4 shadow angles |
| UM34 | Mag. Eye, 2 ranges, 2 shadow angles |
| UM80 | Mag. Fan, 2 shadow angles |
| UM81 | Mag. Fan, 1 shadow angle |
| UM84 | Mag. bar tuning indicator |
| UM85 | Mag. Fan, 1 shadow angle |
| UN954 | - |
| UN955 | - |
| UQ80 | ENNEODE |
| UR1C | Half-Wave Vacuum Rectifier |
| UR3C | High-vacuum Rectifier |
| UU4 | Full-Wave Vacuum Rectifier |
| UU5 | Full-Wave Vacuum Rectifier |
| UU6 | Full-Wave Vacuum Rectifier |
| UU7 | Full-Wave Vacuum Rectifier |
| UU9 | Full-Wave Vacuum Rectifier |
| UU12 | - |
| UV199 | Triode, vacuum |
| UX213 | Full-Wave Vacuum Rectifier |
| UY1 | Half-Wave Vacuum Rectifier |
| UY1NS | Half-Wave Vacuum Rectifier |
| UY11 | Half-Wave Vacuum Rectifier |
| UY21 | Half-Wave Vacuum Rectifier |
| UY41 | Half-Wave Vacuum Rectifier |
| UY42 | Half-Wave Vacuum Rectifier |
| UY82 | Half-Wave Vacuum Rectifier |
| UY85 | Half-Wave Vacuum Rectifier |
| UY89 | Half-Wave Vacuum Rectifier |
| UY92 | Half-Wave Vacuum Rectifier |
| V2M70 | - |
| V61 | Full-Wave Vacuum Rectifier |
| V-70-D | Power Triode |
| V99 | Detector Amplifier Triode |
| V153 | - |
| V177 | - |
| V248A | Transmitting Tube, Pentode, air cooled |
| V311 | Half-Wave Vacuum Rectifier |
| V312 | Triode, vacuum |
| V503 | Triode, vacuum |
| V741 | - |
| V884 | - |
| V886 | - |
| V914 | Double Diode |
| V1901 | Half-Wave Vacuum Rectifier |
| V2018 | Half-Wave Vacuum Rectifier |
| VH1 | Vacuum Pentode |
| VH3 | Half-Wave Vacuum Rectifier |
| VLS61 | Half-Wave Vacuum Rectifier |
| VMP4G | Vacuum Pentode |
| VMS4 | Screen-grid Tetrode |
| VP6 | Vacuum Pentode |
| VP12D | - |
| VP13A | Vacuum Pentode |
| VP13C | Vacuum Pentode |
| VP21 | Vacuum Pentode |
| VP22 | Vacuum Pentode |
| VP23 | Vacuum Pentode |
| VP133 | Vacuum Pentode |
| VP210 | Vacuum Pentode |
| VP1321 | Vacuum Pentode |
| VP1322 | Vacuum Pentode |
| VR-75 | Voltage Regulator |
| VR75-30 | Voltage Requlator |
| VR75 | Voltage Requlator |
| VR-90 | Voltage Regulator |
| VR90-30 | Voltage Requlator |
| VR90 | Voltage Requlator |
| VR-105 | Voltage Regulator |
| VR105 | Voltage Requlator |
| VR105-30 | Voltage Requlator |
| VR105W | Voltage Requlator |
| VR-150 | Voltage Regulator |
| VR150-30 | Voltage Regulator |
| VR150 | Voltage Requlator |
| VR150W | Voltage Regulator |
| VS24 | Screen-grid Tetrode |
| VS24K | Screen-grid Tetrode |
| VSM70 | - |
| VT1 | - |
| VT2 | - |
| VT3 | - |
| VT-4 | Power Triode |
| VT4A | - |
| VT-4B | Power Triode |
| VT4B | Transmitting Triode, air cooled |
| VT-4C | Power Triode |
| VT4C | - |
| VT5 | - |
| VT6 | - |
| VT7 | - |
| VT8 | - |
| VT10 | - |
| VT11 | - |
| VT12 | - |
| VT13 | - |
| VT14 | - |
| VT15 | - |
| VT16 | - |
| VT-17 | Power Tetrode |
| VT17 | - |
| VT18 | - |
| VT-19 | Power Tetrode |
| VT19 | - |
| VT20 | Triode, vacuum |
| VT21 | - |
| VT-22 | Power Triode |
| VT22 | - |
| VT23 | Triode, vacuum |
| VT-24 | Triode Non-Microphonic |
| VT24 | - |
| VT-25 | Power Triode |
| VT25 | - |
| VT-25A | Power Triode (Special) |
| VT25A | - |
| VT-26 | Sharp-Cutoff Tetrode |
| VT26 | - |
| VT-27 | Medium-Mu Triode |
| VT27 | - |
| VT-28 | Sharp-Cutoff Tetrode |
| VT28 | - |
| VT-29 | Low-Mu Triode |
| VT29 | - |
| VT-30 | Triode Detector - Amplifier |
| VT30 | Transmitting Triode, air cooled |
| VT-31 | Power Triode |
| VT31 | - |
| VT32 | - |
| VT-33 | Power Pentode |
| VT33 | - |
| VT34 | Transmitting Triode, air cooled |
| VT-35 | Remote Cutoff Tetrode |
| VT35 | - |
| VT-36 | Sharp-Cutoff Tetrode |
| VT36 | - |
| VT-37 | Medium-Mu Triode |
| VT37 | - |
| VT-38 | Power Pentode |
| VT38 | - |
| VT-39 | Half-Wave Mercury-Vapor Rectifier |
| VT39 | - |
| VT-39A | Half-Wave Mercury-Vapor Rectifier |
| VT39A | - |
| VT-40 | Medium-Mu Triode |
| VT40 | - |
| VT41 | - |
| VT-42 | Half-Wave Rectifier |
| VT42 | - |
| VT-42A | Half-Wave Rectifier |
| VT42A | - |
| VT-43 | Transmitting Triode, air cooled |
| VT43 | - |
| VT-44 | Sharp-Cutoff Tetrode |
| VT44 | - |
| VT-45 | Power Triode |
| VT45 | Triode, vacuum |
| VT-46 | Half-Wave Rectifier |
| VT46 | Transmitting Tube, Pentode, air cooled |
| VT-46A | Half-Wave Rectifier |
| VT46A | - |
| VT-47 | Power Pentode |
| VT47 | - |
| VT-48 | Power Pentode |
| VT48 | - |
| VT-49 | Remote Cutoff Pentode |
| VT49 | - |
| VT-50 | Power Triode |
| VT50 | Triode, vacuum |
| VT-51 | Transmitting Triode, air cooled |
| VT51 | Vacuum Pentode |
| VT-52 | Power Triode |
| VT52 | Vacuum Pentode |
| VT-53 | Power Triode |
| VT53 | - |
| VT-54 | Remote Cutoff Pentode |
| VT54 | - |
| VT55 | - |
| VT-56 | Triode Detector Amplifier |
| VT56 | - |
| VT-57 | Triple Grid Detector Amplifier |
| VT57 | - |
| VT-58 | Super Control R.F. Amplifier |
| VT58 | Transmitting Triode, air cooled |
| VT-60 | Power Tetrode |
| VT60 | Beam Power Tube |
| VT-62 | Power Triode |
| VT62 | - |
| VT-63 | Dual Grid Power Amplifier |
| VT63 | - |
| VT-64 | Power Triode |
| VT64 | - |
| VT-65 | Medium-Mu Triode |
| VT65 | - |
| VT-65A | Medium-Mu Triode |
| VT65A | - |
| VT-66 | Power Amplifier Pentode |
| VT66 | - |
| VT-66A | Power Amplifier Pentode |
| VT66A | - |
| VT-67 | Medium-Mu Triode |
| VT67 | - |
| VT-68 | Twin Diode-Remote-Cutoff Pentode |
| VT68 | - |
| VT-69 | Remote-Cutoff Pentode |
| VT69 | - |
| VT-70 | Low-Mu Triode - Remote-Cutoff Pentode |
| VT70 | - |
| VT-72 | Triode, vacuum |
| VT72 | - |
| VT-73 | Transmitting Triode, air cooled |
| VT73 | Triode, vacuum |
| VT-74 | Full-Wave Rectifier |
| VT74 | - |
| VT-75 | Twin Diode - High-Mu Triode |
| VT75 | - |
| VT-76 | Triode Detector Amplifier |
| VT76 | - |
| VT-77 | Triple Grid Detector Ampl |
| VT77 | - |
| VT-78 | Remote Cutoff Pentode |
| VT78 | - |
| VT-80 | Full-Wave Rectifier |
| VT80 | - |
| VT-83 | Full-Wave Rectifier |
| VT83 | - |
| VT-84 | Full-Wave Rectifier |
| VT84 | - |
| VT-86 | Variable-Mu Pentode |
| VT86 | - |
| VT-86A | Variable-Mu Pentode |
| VT86A | - |
| VT-86B | Variable-Mu Pentode |
| VT86B | - |
| VT-87 | Pentagrid Mixer Amplifier |
| VT87 | - |
| VT-87A | Pentagrid Mixer Amplifier |
| VT87A | - |
| VT-88 | Twin Diode - Medium-Mu Triode |
| VT88 | Double Beam Power Tube |
| VT-88A | Twin Diode - Medium-Mu Triode |
| VT88A | - |
| VT-88B | Twin Diode - Medium-Mu Triode |
| VT88B | - |
| VT-89 | Power Amplifier Pentode |
| VT89 | - |
| VT-90 | Twin Diode |
| VT90 | Transmitting Triode, air cooled |
| VT-90A | Twin Diode |
| VT90A | - |
| VT-91 | Sharp-Cutoff Pentode |
| VT91 | - |
| VT-91A | Sharp-Cutoff Pentode |
| VT91A | - |
| VT-92 | Twin Diode High-Mu Triode |
| VT92 | - |
| VT-92A | Twin Diode High-Mu Triode |
| VT92A | - |
| VT-93 | Twin Diode-Semiremote-Cutoff Pentode |
| VT93 | - |
| VT-93A | Twin Diode-Semiremote-Cutoff Pentode |
| VT93A | - |
| VT-94 | Medium-Mu Triode |
| VT94 | - |
| VT-94A | Medium-Mu Triode |
| VT94A | - |
| VT-94B | Medium-Mu Triode |
| VT94B | - |
| VT-94C | Medium-Mu Triode |
| VT94C | - |
| VT-94D | Medium-Mu Triode |
| VT94D | - |
| VT-95 | Power Triode |
| VT95 | - |
| VT-96 | Medium-Mu Twin Power Triode |
| VT96 | - |
| VT-96B | Medium-Mu Twin Power Triode |
| VT96B | - |
| VT-97 | Full-Wave Rectifier |
| VT97 | - |
| VT-98 | Electron Ray Tuning Indic |
| VT98 | - |
| VT-99 | Medium-Mu Twin Triode |
| VT99 | - |
| VT-100 | Power Tetrode |
| VT100 | - |
| VT-100A | Power Tetrode |
| VT100A | - |
| VT-101 | Beam Power Pentode |
| VT101 | - |
| VT102 | Vacuum Pentode |
| VT-103 | Twin Diode-Triode |
| VT103 | - |
| VT-104 | Twin Diode - High-Mu Triode |
| VT104 | Transmitting Tube, Pentode, air cooled |
| VT-105 | High-Mu Twin Triode |
| VT105 | - |
| VT-106 | Beam Power Pentode |
| VT106 | - |
| VT-107 | Beam Power Amplifier |
| VT107 | - |
| VT-107A | Beam Power Amplifier |
| VT107A | - |
| VT-107B | Beam Power Amplifier |
| VT107B | - |
| VT108 | - |
| VT-109 | Thyratron |
| VT109 | - |
| VT-111 | Television picture tube black+white |
| VT111 | - |
| VT-112 | Sharp-Cutoff Pentode |
| VT112 | - |
| VT-114 | Full-Wave Rectifier |
| VT114 | Transmitting Tetrode, air cooled |
| VT-115 | Beam Power Pentode |
| VT115 | - |
| VT-115A | Beam Power Pentode |
| VT115A | - |
| VT-116 | Sharp-Cutoff Pentode |
| VT116 | - |
| VT-116A | Sharp-Cutoff Pentode |
| VT116A | - |
| VT-116B | Sharp-Cutoff Pentode |
| VT116B | - |
| VT-117 | Variable-Mu Pentode |
| VT117 | - |
| VT-117A | Variable-Mu Pentode |
| VT117A | - |
| VT-118 | Twin Beam Power Tube |
| VT118 | - |
| VT-119 | HV Half-Wave Rectifier |
| VT119 | - |
| VT-120 | Pentode (Acorn) |
| VT120 | - |
| VT-121 | Medium Mu Triode (Acorn) |
| VT121 | - |
| VT-122 | Transmitter Triode, liquid-cooling |
| VT122 | - |
| VT123 | Double Triode |
| VT-124 | Power Pentode |
| VT124 | - |
| VT-125 | Power Pentode |
| VT125 | - |
| VT-126 | Full-Wave Rectifier |
| VT126 | - |
| VT-126A | Full-Wave Rectifier |
| VT126A | - |
| VT-126B | Full-Wave Rectifier |
| VT126B | - |
| VT127 | - |
| VT-127A | Power Triode |
| VT-128 | HEPTODE |
| VT128 | - |
| VT-129 | Power Triode |
| VT129 | - |
| VT-130 | Power Triode |
| VT130 | - |
| VT-131 | Remote-Cutoff Pentode |
| VT131 | - |
| VT-132 | Triode Hexode Converter |
| VT132 | - |
| VT-133 | Twin Diode - Medium-Mu Triode |
| VT133 | - |
| VT-134 | Beam Power Pentode |
| VT134 | - |
| VT-135 | Medium-Mu Triode |
| VT135 | - |
| VT-135A | Medium-Mu Triode |
| VT135A | - |
| VT-136 | Power Pentode |
| VT136 | - |
| VT-137 | Triode, vacuum |
| VT137 | - |
| VT-138 | Electron-Ray Tube |
| VT138 | - |
| VT-139 | Voltage Regulator |
| VT139 | - |
| VT140 | - |
| VT-141 | Half-Wave Vacuum Rectifier |
| VT141 | - |
| VT142 | - |
| VT-143 | Power Triode |
| VT143 | - |
| VT-144 | Beam Power Pentode |
| VT144 | - |
| VT-145 | Full-Wave Rectifier |
| VT145 | - |
| VT-146 | Sharp-Cutoff Pentode |
| VT146 | - |
| VT-147 | Pentagrid Converter |
| VT147 | - |
| VT-148 | Diode-Triode - Power Pentode |
| VT148 | - |
| VT-149 | Diode-Triode - Pentode |
| VT149 | - |
| VT-150 | Pentagrid Converter |
| VT150 | - |
| VT-150A | Pentagrid Converter |
| VT150A | - |
| VT-151 | Pentagrid Converter |
| VT151 | - |
| VT-151A | Pentagrid Converter |
| VT151B | - |
| VT-152 | Power Pentode |
| VT152 | - |
| VT-152A | Power Pentode |
| VT152A | - |
| VT-153 | Twin Diode - Semiremote-Cutoff Pentode |
| VT153 | - |
| VT-154 | Beam Power Pentode |
| VT154 | - |
| VT155 | - |
| VT156 | - |
| VT157 | - |
| VT158 | - |
| VT159 | - |
| VT160 | - |
| VT-161 | Pentagrid Converter |
| VT161 | - |
| VT-162 | Sharp-Cutoff Pentode |
| VT162 | - |
| VT-163 | Medium-Mu Twin Triode |
| VT163 | - |
| VT-164 | Beam Power Tube |
| VT164 | - |
| VT-165 | Beam Power Pentode |
| VT165 | - |
| VT166 | - |
| VT-167 | Triode - Hexode Converter |
| VT167 | - |
| VT-167A | Triode - Hexode Converter |
| VT167A | - |
| VT-168A | Power Amplifier Tetrode |
| VT168A | - |
| VT-169 | Twin Diode - Semiremote-Cutoff Pentode |
| VT169 | - |
| VT-170 | Sharp-Cutoff Pentode |
| VT170 | - |
| VT-171 | Pentagrid Converter |
| VT171 | - |
| VT171A | - |
| VT-172 | Diode-Sharp-Cutoff Pentode |
| VT172 | - |
| VT-173 | Remote-Cutoff Pentode |
| VT173 | - |
| VT-174 | Power Pentode |
| VT174 | - |
| VT175 | - |
| VT-176 | Sharp-Cutoff Pentode |
| VT176 | - |
| VT-177 | Diode-High-Mu Triode |
| VT177 | - |
| VT-178 | Pentagrid Converter |
| VT178 | - |
| VT-179 | Sharp-Cutoff Pentode |
| VT179 | - |
| VT-180 | Beam Power Pentode |
| VT180 | - |
| VT-181 | Full-Wave Rectifier |
| VT181 | - |
| VT-182 | Twin Tride |
| VT182 | - |
| VT-183 | Triode |
| VT183 | - |
| VT-184 | Voltage Regulator |
| VT184 | - |
| VT-185 | Pentode |
| VT185 | - |
| VT186 | - |
| VT187 | - |
| VT-188 | Twin Diode - Medium-Mu Triode |
| VT188 | - |
| VT-189 | High-Mu Twin triode |
| VT189 | - |
| VT-190 | Semiremote-Cutoff Pentode |
| VT190 | - |
| VT-191 | Power Triode |
| VT191 | - |
| VT-192 | Medium-Mu Triode |
| VT192 | - |
| VT-193 | Sharp-Cutoff Pentode |
| VT193 | - |
| VT-194 | Triode - Heptode Converter |
| VT194 | - |
| VT195 | - |
| VT-196 | Full-Wave Rectifier |
| VT196 | - |
| VT-197A | Full-Wave Rectifier |
| VT197A | - |
| VT-198A | Power Pentode |
| VT198A | - |
| VT-199 | Remote-Cutoff Pentode |
| VT199 | - |
| VT-200 | Voltage Regulator |
| VT200 | - |
| VT-201 | Beam Power Amplifier |
| VT201 | - |
| VT-201C | Beam Power Amplifier |
| VT201C | - |
| VT-202 | UHF Triode |
| VT202 | - |
| VT-203 | Remote Cutoff Pentode |
| VT203 | - |
| VT-204 | Power Triode |
| VT204 | - |
| VT-205 | Twin Diode Triode |
| VT205 | - |
| VT-206A | Full-Wave Rectifier |
| VT206A | - |
| VT-207 | Medium-Mu Twin triode |
| VT207 | - |
| VT-208 | Pentagrid Converter |
| VT208 | - |
| VT208A | - |
| VT-209 | Semiremote-Cutoff Pentode |
| VT209 | - |
| VT-210 | Power Pentode |
| VT210 | - |
| VT-211 | Semiremote-Cutoff Pentode |
| VT211 | - |
| VT-212 | Medium Mu Triode (Acorn) |
| VT212 | - |
| VT-213A | Medium-Mu Triode |
| VT213A | - |
| VT-214 | Twin Diode |
| VT214 | - |
| VT-215 | Electron Ray Tube |
| VT215 | - |
| VT-216 | Half-Wave Rectifier |
| VT216 | - |
| VT-217 | Power Triode |
| VT217 | - |
| VT-218 | Power Triode |
| VT218 | - |
| VT219 | - |
| VT-220 | Power Triode |
| VT220 | - |
| VT-221 | Beam Power Pentode |
| VT221 | - |
| VT-222 | Diode-High-Mu Triode |
| VT222 | - |
| VT-223 | Twin Diode - Medium-Mu Triode |
| VT223 | - |
| VT224 | - |
| VT225 | - |
| VT226 | - |
| VT227 | - |
| VT228 | - |
| VT-229 | High-Mu Twin Triode |
| VT229 | - |
| VT230 | - |
| VT-231 | Medium-Mu Twin Triode |
| VT231 | - |
| VT-232 | Power Triode |
| VT232 | - |
| VT233 | - |
| VT-234 | Power Triode |
| VT234 | - |
| VT-235 | Power Triode |
| VT235 | - |
| VT-236 | Half-Wave Rectifier |
| VT236 | - |
| VT-237 | Triode |
| VT237 | - |
| VT-238 | Remote-Cutoff Pentode (Acorn) |
| VT238 | - |
| VT-239 | Medium-Mu Triode |
| VT239 | - |
| VT240 | - |
| VT-241 | High Frequency Triode |
| VT241 | - |
| VT243 | - |
| VT-244 | Full-Wave Rectifier |
| VT244 | - |
| VT245 | - |
| VT246 | - |
| VT-247 | Power Pentode |
| VT247 | - |
| VT248 | - |
| VT249 | - |
| VT250 | - |
| VT251 | - |
| VT252 | - |
| VT-254 | Power Triode |
| VT254 | - |
| VT255 | - |
| VT256 | - |
| VT257 | - |
| VT-259 | Twin Beam Power Tube |
| VT259 | - |
| VT-260 | Voltage Regulator |
| VT260 | - |
| VT-264 | Power Pentode |
| VT264 | - |
| VT266 | - |
| VT267 | - |
| VT-268 | High-Mu Twin Triode |
| VT268 | - |
| VT269 | - |
| VT-277 | High-Mu Triode |
| VT277 | - |
| VT279 | - |
| VT280 | - |
| VT281 | - |
| VT282 | - |
| VT283 | - |
| VT284 | - |
| VT285 | - |
| VT-286 | Twin Beam Power Tube |
| VT286 | - |
| VT-287 | Twin Beam Power Pentode |
| VT287 | - |
| VT-288 | Remote-Cutoff Pentode |
| VT288 | - |
| VT-289 | High-Mu Twin Triode |
| VT289 | - |
| W17 | Vacuum Pentode |
| W21 | Vacuum Pentode |
| W25 | - |
| W30 | Vacuum Pentode |
| W31 | Vacuum Pentode |
| W42 | Vacuum Pentode |
| W61 | Vacuum Pentode |
| W63 | Vacuum Pentode |
| W76 | - |
| W77 | Vacuum Pentode |
| W81 | Vacuum Pentode |
| W110 | - |
| W118 | - |
| W119 | - |
| W142 | Vacuum Pentode |
| W143 | - |
| W145 | Vacuum Pentode |
| W147 | Vacuum Pentode |
| W148 | Vacuum Pentode |
| W149 | - |
| W150 | Vacuum Pentode |
| W719 | - |
| W727 | - |
| W739 | - |
| WD11 | Triode Detector-Amplifier |
| WD-11 | - |
| WD142 | Diode-Pentode |
| WD150 | - |
| WD709 | - |
| WE14 | Vacuum Pentode |
| WE15 | Vacuum Pentode |
| WE16 | Vacuum Pentode |
| WE17 | Vacuum Pentode |
| WE18 | Mag.Eye-Pentode |
| WE19 | Double Diode-Pentode |
| WE20 | Triode-Hexode |
| WE-39DY1 | - |
| WE-205B | - |
| WE-215A | - |
| WL630 | - |
| WL630A | - |
| WT6 | - |
| WT210-0025 | - |
| WT210-0048 | - |
| WT210-0042 | - |
| WT210-0040 | - |
| WT210-0087 | - |
| WT210-0085 | - |
| WT210-0021 | - |
| WT210-0029 | - |
| WT210-0091 | - |
| WT210-0090 | - |
| WT210-0060 | - |
| WT210-0088 | - |
| WT210-0084 | - |
| WT210-0083 | - |
| WT210-0082 | - |
| WT210-0081 | - |
| WT210-0019 | - |
| WT210-0069 | - |
| WT210-0028 | - |
| WT210-0062 | - |
| WT210-0089 | - |
| WT210-0004 | - |
| WT210-0018 | - |
| WT210-0003 | - |
| WT210-0037 | - |
| WT210-0006 | - |
| WT210-0009 | - |
| WT210-0011 | - |
| WT210-0012 | - |
| WT210-0013 | - |
| WT210-0001 | - |
| WT245 | - |
| WT246 | - |
| WT261 | - |
| WT263 | - |
| WT269 | - |
| WT270 | - |
| WT270X | - |
| WT294 | - |
| WT301 | - |
| WT308 | - |
| WT377 | - |
| WT389 | - |
| WT390 | - |
| WT606 | - |
| WTT100 | - |
| WTT102 | - |
| WTT103 | - |
| WTT114 | - |
| WTT115 | - |
| WTT117 | - |
| WTT118 | - |
| WTT119 | - |
| WTT122 | - |
| WTT123 | - |
| WTT124 | - |
| WTT125 | - |
| WTT126 | - |
| WTT127 | - |
| WTT128 | - |
| WTT129 | - |
| WTT130 | - |
| WTT131 | - |
| WTT132 | - |
| WTT135 | - |
| WTT149 | - |
| WTT202 | - |
| WX12 | Triode Detector-Amplifier |
| X14 | Pentagrid-Converter (Heptode) |
| X17 | HEPTODE |
| X18 | - |
| X20 | - |
| X21 | OCTODE |
| X22 | Pentagrid-Converter (Heptode) |
| X23 | Triode-Hexode |
| X25 | - |
| X30 | HEPTODE |
| X31 | Triode-Hexode |
| X32 | HEPTODE |
| X41 | Triode-Hexode |
| X42 | HEPTODE |
| X61M | Triode-Hexode |
| X63 | Pentagrid-Converter (Heptode) |
| X64 | HEPTODE |
| X65 | Triode-Hexode |
| X71M | Triode-Hexode |
| X73 | HEPTODE |
| X73M | - |
| X76M | - |
| X77 | - |
| X79 | - |
| X81 | Triode-Heptode |
| X99 | Detector Amplifier Triode |
| X107 | - |
| X119 | - |
| X142 | Triode-Hexode |
| X147 | Triode-Hexode |
| X148 | Triode-Hexode |
| X150 | Triode-Hexode |
| X155 | Double Triode |
| X319 | - |
| X719 | - |
| X727 | - |
| X6030 | Diode |
| XAA91 | - |
| XB91 | - |
| XC95 | - |
| XC97 | - |
| XC900 | - |
| XCC82 | - |
| XCC189 | Variable-Mu Twin Triode |
| XCF80 | Medium-Mu Triode - Sharp-Cutoff Pentode |
| XCF82 | - |
| XCF86 | - |
| XCF801 | Triode-Pentode |
| XCH81 | - |
| XCL82 | - |
| XCL85 | High-Mu Triode - Power Pentode |
| XF80 | - |
| XF85 | - |
| XF94 | - |
| XF183 | Semiremote-Cutoff Pentode |
| XF184 | Sharp-Cutoff Pentode |
| XL36 | - |
| XL84 | - |
| XL86 | - |
| XL500 | Beam Power Pentode |
| XXA91 | - |
| XXB | Duo Triode |
| XXD | Duo Diode |
| XXFM | Duo Diode - Triode |
| XXL | Triode |
| XY88 | Diode |
| Y25 | - |
| Y61 | Magic Eye, generally |
| Y63 | Mag. Eye, 1 shadow angle |
| Y64 | INDICATOR, in general |
| YA1000 | High-vacuum Rectifier |
| YC95 | - |
| YC97 | - |
| YCC189 | Variable-Mu Twin Triode |
| YCF86 | - |
| YCL84 | - |
| YCL180 | - |
| YD1302 | Transmitting Triode, air cooled |
| YF183 | - |
| YF184 | - |
| YG1000 | Electrometer, Space Charge Grid |
| YL84 | - |
| YL86 | - |
| YL1000 | Vacuum Pentode |
| YL1020 | Double Tetrode |
| YL1030 | Double Tetrode |
| YL1042 | Transmitting Tetrode, air cooled |
| YL1060 | Double Tetrode |
| YL1070 | Double Tetrode |
| YL1071 | Double Tetrode |
| YL1080 | Double Tetrode |
| YL1130 | Double Tetrode |
| YL1150 | Beam Power Tube |
| YL1190 | Double Beam Power Tube |
| YL1240 | Double Beam Power Tube |
| YL1260 | HEXODE |
| Z2a | Full-Wave Vacuum Rectifier |
| Z2b | Full-Wave Vacuum Rectifier |
| Z2c | Full-Wave Vacuum Rectifier |
| Z14 | Vacuum Pentode |
| Z21 | Vacuum Pentode |
| Z50T | Thyratron Cold-cathode |
| Z63 | Vacuum Pentode |
| Z77 | Vacuum Pentode |
| Z150 | - |
| Z152 | Vacuum Pentode |
| Z300T | - |
| Z329 | - |
| Z550M | - |
| Z560M | Numerals- and Symbols indicating tube |
| Z561M | Numerals- and Symbols indicating tube |
| Z570M | Numerals- and Symbols indicating tube |
| Z719 | Vacuum Pentode |
| Z729 | - |
| Z749 | - |
| Z900T | - |
| ZA1 | Vacuum Pentode |
| ZA2 | Vacuum Pentode |
| ZB120 | Transmitting Triode, air cooled |
| ZB3200 | Transmitting Triode, air cooled |
| ZD17 | Diode-Pentode |
| ZD25 | - |
| ZD152 | - |
| ZG489 | - |
| ZM1000 | Numerals- and Symbols indicating tube |
| ZM1030 | Numerals- and Symbols indicating tube |
| ZM1031 | Numerals- and Symbols indicating tube |
| ZZ1000 | Voltage Regulator, single |
| ZZ1010 | Voltage Regulator, single |
| ZZ1020 | Voltage Regulator, single |
| ZZ1030 | Voltage Regulator, single |