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V12

Information - Help 
ID = 17846
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to V12

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 5 Volts / If 2 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   2-9-1933
 
v12.jpg
V12: Sammlung GJ
Anonymous 544 Collector

 
plaatspanninggelijkrsmall_7.png
V12: own collection
Peter den Boer



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