Antique radios, Old Time Radios
3TFV4
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Country:
United States of America (USA)
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| Identical to |
3TFV4
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
Vf 4 Volts / If 0.3 Ampere / Direct / Specified current AC/DC ~ = (Series working) |
| Description |
I quer 1 System/A = 0.3
U mittel/V = 4
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| Information source |
Ballast Tube Handbook, The
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Just Qvigstad
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Collection of
Collection of a member from D |
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