Antique radios, Old Time Radios
UF4
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Country:
Great Britain (UK)
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| Identical to |
UF4
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| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Em)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Half indirect |
| Description |
Va <250-0-250; DC out, 60mA at 240V, 30mA at 275V
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| Information source |
History of the British Radio Valve to 1940 p. 144
Wireless World (The), London (WW, 79)
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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UF4: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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