Antique radios, Old Time Radios
P421
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Country:
Austria
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| Identical to |
P421
= RES164d
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| Similar
Tubes |
Other base:
P421_5pin
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Foo)
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| Filament |
Vf 4 Volts / If 0.15 Ampere |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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P421: rtt
Anonymous 10 Collector
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Just Qvigstad
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