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V400

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ID = 49161
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  RECTIFIER TUBE (Detail uncertain) 
  Ca. 1925 up to 1945 rare.
Identical to V400

Filament Vf 23 Volts / If 25 Ampere
Description The brand is Radiofotos. 
Information source - - Manufacturers Literature   
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v400datasmall.png
V400: own collection
Peter den Boer

 

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