Antique radios, Old Time Radios
3A/107A
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Country:
Great Britain (UK)
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| Identical to |
3A/107A
= CV249
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| Similar
Tubes |
Other shape (e.g. bulb type):
VT72_GPO
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 4 Volts / If 0.25 Ampere / Direct / Specified voltage AC/DC |
| Information source |
Babani, International Radio Tube Encyclopaedia
-- Original-techn. papers.
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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Just Qvigstad
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Collection of
Collection of a member from FIN |
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