Antique radios, Old Time Radios
210HL_Cossor
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Country:
Great Britain (UK)
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| Identical to |
210HL_Cossor
|
| Similar
Tubes |
Normally replaceable-slightly different:
210HL
; A225
; K30C
; PM1HL
|
| First year |
1926
Saga of the Vacuum Tube, Tyne page 376
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| First Source
(s) |
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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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.1 Ampere / Direct |
| Description |
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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| Information source |
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
Anonymous 10 Collector
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
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