Antique radios, Old Time Radios
AC/HP
Country:
Great Britain (UK)
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Identical to |
AC/HP
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Similar
Tubes |
Normally replaceable-slightly different:
MSP4
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First Source
(s) |
1934 : History of the British Radio Valve to 1940 p. 195
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Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Fco)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 4 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC |
Information source |
Wireless World (The), London (WW, 79) November 22, 1935
Babani, International Radio Tube Encyclopaedia p. 46 & 47
Taschenbuch zum Röhren-Codex 1948/49
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AC/HP: Fin Stewart
Fin Stewart
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Just Qvigstad
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