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ID = 69936
Great Britain (UK)
Brand: Western Electric Co. Ltd.; London
Developer: Western Electric Co. Ltd.; London 
Tube type:  Triode, vacuum   RF/IF-Stage 
  <1925 very rare. ***
Identical to Wecovalve_B

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 0.8 Volts / If 0.25 Ampere / Direct / Battery =

Anode voltage 15 -60, grid voltage -1.5. First made 1924

Dimensions (WHD)
incl. pins / tip
x 28 x 95 mm / x 1.10 x 3.74 inch
Information source British Radio Valves - The Vintage Years: 1904-1925   Page 122

b4_1~~86.png Wecovalve_B: Fin Stewart
Fin Stewart

Just Qvigstad

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