Antique radios, Old Time Radios
4GJ7
| Base |
Noval, 9 pin miniature (USA pico-9) B9A
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4.1 Volts / If 0.6 Ampere / Indirect / Specified current AC/DC ~ = (Series working) |
| Information source |
Essential Characteristics, GE 1973
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4GJ7: AH eigene Sammlung
Alexander Hofer
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Just Qvigstad
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Collection of
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