Antique radios, Old Time Radios
VT20
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Was used by |
Military and/or Government |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 158 & 159
Universal Vade-Mecum, Electron Valves and Semiconductor Devices p. 70
Taschenbuch zum Röhren-Codex 1948/49
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VT20: rtt
Anonymous 10 Collector
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Just Qvigstad
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Collection of
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