Antique radios, Old Time Radios
SWG2
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Country:
Great Britain (UK)
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| Identical to |
SWG2
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| First Source
(s) |
1935 : British Radio Valves - The Classic Years: 1926-1946 P. 264 & Supplement, p. 41
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eu)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct |
| Description |
Tube made in Europe for the company. This tube is a short wave tetrode with the control grid from top cap and the tube has a porcelain base..
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Wireless World (The), London (WW, 79) November 22, 1935 & October 11, 1935
L'ABCDaire des lampes de TSF des jeunes années
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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SWG2: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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