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C415

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ID = 59421
       
Country:
Austria
Brand: Helikon, Helikonwerk, Ing. Richard Martinek; Wien
Tube type:  Triode, vacuum 
  Ca. 1925 up to 1945 rare.
Identical to C415

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.8 Volts / If 0.15 Ampere / Direct / Battery =

3_b4~~30.png C415: own collection
Peter den Boer


Just Qvigstad
lampenlijst_helikon1927.png
C415: own collection
Peter den Boer

 

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