Antique radios, Old Time Radios
3SP4
Country:
Austria
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Identical to |
3SP4
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Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
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Filament |
Vf 4 Volts / If 0.25 Ampere |
Information source |
Taschenbuch zum Röhren-Codex 1948/49
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3SP4: rtt
Anonymous 10 Collector
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Just Qvigstad
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Collection of
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