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HF610_Ediswan

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ID = 82687
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to HF610_Ediswan
Similar Tubes
Normally replaceable-slightly different:
  A630
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 30

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.12 Ampere / Direct / Battery =
Information source History of the British Radio Valve to 1940   p. 162
British Radio Valves - The Classic Years: 1926-1946   Supplement, p. 33

b4_base_pins~~924.png HF610_Ediswan: Fin Stewart
Fin Stewart


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