| Sparks-Withington Co. | |||
| Model: 766-XS | Chassis: | Year: Pre November 1935 | |
| Power: | Circuit: | IF: | |
| Tubes: | |||
| Bands: | |||
Resources:
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| Riders 6 (VI) SPARTON 6-13 | |||
| Riders 6 (VI) SPARTON 6-14 | |||
| Riders 7 (VII) SPARTON 7-9 | |||
| Riders 7 (VII) SPARTON 7-10 | |||
| Riders 7 (VII) SPARTON 7-21 | |||