Antique radios, Old Time Radios
P240
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Country:
Great Britain (UK)
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| Identical to |
P240
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| Similar
Tubes |
Normally replaceable-slightly different:
TB032
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| First Source
(s) |
1929 : History of the British Radio Valve to 1940 p. 164
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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 2 Volts / If 0.15 Ampere / Battery = |
| Information source |
History of the British Radio Valve to 1940 p. 148 & 164
Taschenbuch zum Röhren-Codex 1948/49
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P240: Fin Stewart
Fin Stewart
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Just Qvigstad
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P240: osram wireless guide 1931
Giuseppe Antonio Tusini
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