| Galvin Mfg. Co. | |||
| Model: 8FM21B | Chassis: | Year: Pre 1951 | |
| Power: | Circuit: | IF: | |
| Tubes: | |||
| Bands: | |||
Resources:
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| Beitmans 1951 94 | |||
| Riders 21 (XXI) MOTOROLA 21-105 | |||
| Riders 21 (XXI) MOTOROLA 21-106 | |||
| Riders 21 (XXI) MOTOROLA 21-107 | |||
| Riders 21 (XXI) MOTOROLA 21-108 | |||
| Riders 21 (XXI) MOTOROLA 21-109 | |||
| Riders 21 (XXI) MOTOROLA 21-110 | |||
| Riders 21 (XXI) MOTOROLA 21-111 | |||
| Riders 21 (XXI) MOTOROLA 21-112 | |||
| Riders 21 (XXI) MOTOROLA 21-113 | |||