Sparks-Withington Co. |
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Model: 475A | Chassis: | Year: Pre October 1937 |
Power: | Circuit: | IF: |
Tubes:
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Bands:
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Resources:
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Riders Volume 5 - SPARTON 5-13 |
Riders Volume 5 - SPARTON 5-14 |
Riders Volume 8 - SPARTON 8-2 |
Radio College of Canada - SPARTON 18 |
Radio College of Canada - SPARTON 43 |