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13_Mars

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ID = 80642
       
Country:
Czechoslovakia
Brand: Mars (tubes), Radioelektra; Praha
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 very rare. ***
Identical to 13_Mars
First Source (s)
15.Mar.1929 : Funk Bastler

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.18 Ampere / Direct / Battery =


Just Qvigstad
 

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