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1070

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ID = 6900
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Full-Wave Rectifier gas filled   Power-supply 
  Ca. 1925 up to 1945 very rare. ***
Identical to 1070
First Source (s)
Sep.1931 : L'Histoire Singulière du Tube Radio; G. Duperray 2009

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 1.8 Volts / If 1.8 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   R627Du 15-11-1930

17_47.png 1070: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
1061-1077data.png
1070: own collection
Peter den Boer

Collection of

 
tube_1070k.jpg

 

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