Antique radios, Old Time Radios
CV509
| Base |
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Udb)
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| Was used by |
Military and/or Government |
| Filament |
Vf 6.3 Volts / If 0.45 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia Pages 62-63
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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CV509: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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CV509: Manufacturer's Literature
Emilio Ciardiello
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