Antique radios, Old Time Radios
342B
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Country:
United States of America (USA)
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| Identical to |
342B
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| Similar
Tubes |
Normally replaceable-slightly different:
4C21
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| Base |
Jumbo 4-pin bayonet (1918) (Codex=Byy)
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| Filament |
Vf 10 Volts / If 3.2 Ampere |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 180 & 181
Taschenbuch zum Röhren-Codex 1948/49
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342B: ARRL Handbook 1972
Anonymous 10 Collector
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Just Qvigstad
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