Radios antiguas y Radios de Colección
210HL_Cossor
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País:
Gran Bretaña (GB)
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| Idéntica a |
210HL_Cossor
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| Válvulas similares |
Substituya normalmente -diferencia peq.:
210HL
; A225
; K30C
; PM1HL
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| Primera serie |
1926
Saga of the Vacuum Tube, Tyne page 376
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| Fuente principal
(es) |
Aug.1930 : Philips Bulletin R1164, p. 17
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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 2 Volt / If 0.1 Ampere / Direct |
| Descripción |
Late in 1926 Cossor introduced their new Kalenised filament. Exactly what the Kalenising process was they did not state, making only the modest claim that it "gives off a torrent of electrons partically without heat". This filament was used in the Cossor Point One, 210D and 210H valves, and also in a power valve denoted only as the Stentor Two, to which the number 215P was later assigned.
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| Literatura |
Saga of the Vacuum Tube, Tyne page 376
History of the British Radio Valve to 1940
- - Manufacturers Literature
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210HL_Cossor: rtt
Anónimo 10 Coleccionista
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Just Qvigstad
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Número de
modelos en Radiomuseum.org con esta
válvula:1
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