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W12

Information - Help 
ID = 8462
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to W12

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 1.2 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 
w12.jpg
W12: own collection
John Koster

 
1200small_2.png
W12: own collection
Peter den Boer

 
w12datasmall.png
W12: own collection
Peter den Boer



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