History of the manufacturer
Columbia Radio Company; Los Angeles, CA, Providence, RI
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Both will display your name after an officer has activated your content, and will be displayed under «Further details ...» plus the text also in the forum.
| Name: | Columbia Radio Company; Los Angeles, CA, Providence, RI (USA) |
| Abbreviation: | columbi-ca |
| Products: | Model types |
| Summary: |
Columbia Radio Company Columbia Radio, CA, is the maker of the Vol-Ta-Drop. |
| History: |
This manufacturer was suggested by Gottfried Silberhorn.
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 53 | Vol-Ta-Drop (Voltadrop) 12-8 | Ballast resistor, to use a 6-volt radio (6 or 8 tube) in a car with 12-volt battery. |
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| Data Compliance | More Information |