Antique radios, Old Time Radios
257_diffdat-2
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Country:
United States of America (USA)
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| Identical to |
257_diffdat-2
= 6A4
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Filament |
Vf 6 Volts / If 0.3 Ampere |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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257_diffdat-2: rtt
Anonymous 10 Collector
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Just Qvigstad
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