Antique radios, Old Time Radios
GP4_Ediswan
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Country:
Great Britain (UK)
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| Identical to |
GP4_Ediswan
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| Similar
Tubes |
Normally replaceable-slightly different:
A410
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| First Source
(s) |
1925 : Saga of the Vacuum Tube, Tyne p.373
1925 : History of the British Radio Valve to 1940 p. 158
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.15 Ampere / Direct / Battery = |
| Information source |
-- Collector info (Sammler) Ediswan leaflet 1926
Philips Bulletin R1164, p. 30
Röhren-Vademecum; P.H. Brans; Antwerpen
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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GP4_Ediswan: Fin Stewart
Fin Stewart
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Just Qvigstad
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