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S410_Fotos

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ID = 20127
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  TRIODE (Detail uncertain)   Power/Output 
Identical to S410_Fotos
Similar Tubes
Normally replaceable-slightly different:
  E409

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Filament Vf 4 Volts / If 1 Ampere
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s410_fotos_so.png S410_Fotos: rtt
Anonymous 10 Collector


Just Qvigstad
 

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