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3520

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ID = 11992
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Photocell High vakuum 
  Ca. 1925 up to 1945 rare.
Identical to 3520

Base Europe side contact P8A (Au P, 8SC) (Codex=S) Top contact screw type.
Filament --/--
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   RL874 July 1942

3520_philips_miniwatt_redbook_1939_40_p4_pin.png 3520: Philips_Miniwatt Spezialröhren 1939-1940 Redbook
Adrian Riesen


Just Qvigstad
3520data1.png
3520: own collection
Peter den Boer

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d_philips_3520.jpg

3520
 

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