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210HF_Cossor

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ID = 21305
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to 210HF_Cossor = PM1HF = K30A = HL210 = 210HF
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Information source History of the British Radio Valve to 1940   p. 145 & 161
Babani, International Radio Tube Encyclopaedia   p. 28 & 29
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1951
210hf_cossor_so.png 210HF_Cossor: rtt
Anonymous 10 Collector

Just Qvigstad
Usage in Models 1= 1929?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Siegfried Droese (D)
Collection of a member from D
Pedro Prieto-Castro (E)
Jürgen Bauch (D)
Lindsay Shepherd (AUS)
 
uk_cossor_210hf_triode_tube.jpg

210HF_Cossor
 
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