Antique radios, Old Time Radios
4SH
| Base |
British-7-Pin, old (M7A) (Codex=Na)
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| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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4SH: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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Collection of
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| Data Compliance |
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