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G424

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ID = 25931
       
Country:
Netherlands
Brand: Longlife, the Hague
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to G424
Similar Tubes
Normally replaceable-slightly different:
  B424
Production stop Feb.1938

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 4 Volts / If 0.09 Ampere / Direct / Battery =
Description In the Grundig Rohren-Taschenbuch 1948 is this tube listed as a Thermion tube, but this is a Longlife tube. 
Literature - - Manufacturers Literature   Sept. 1935
 

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