Radios antiguas y Radios de Colección
A1_plateless
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País:
Gran Bretaña (GB)
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| Idéntica a |
A1_plateless
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| Fuente principal
(es) |
Jun.1924 : British Radio Valves - The Vintage Years: 1904-1925
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 4 Volt / If 0.58 Ampere / Direct / Battery = |
| Descripción |
G.W.I. Ltd. Imperial Works, Shanklin Rd., Crouch End, London, N8.
Valve repairers who produced an unusual valve in 1924.
Instead of a cylindrical anode the inner glass surface was silver coated to work as anode. Therefore called "plateless".
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| Literatura |
British Radio Valves - The Vintage Years: 1904-1925 pages 4, 32, 116, 138
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Just Qvigstad
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| Cumplimiento de datos |
Más información |
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