Antique radios, Old Time Radios
CV2977
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Country:
Great Britain (UK)
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| Identical to |
CV2977
= H2
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Military and/or Government |
| Filament |
Vf 2 Volts / If 0.1 Ampere / Direct |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 86 & 87
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 40
Taschenbuch zum Röhren-Codex 1948/49
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CV2977: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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