Antique radios, Old Time Radios
PV425
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Country:
Great Britain (UK)
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| Identical to |
PV425
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.15 Ampere / Direct / Battery = |
| Description |
This tube was originally branded Ediswan in 1927/28 but was changed to Mazda in 1929
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| Information source |
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 33
History of the British Radio Valve to 1940 p. 162
Taschenbuch zum Röhren-Codex 1948/49
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PV425: Fin Stewart
Fin Stewart
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Just Qvigstad
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