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3531

Information - Help 
ID = 58662
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Photocell Gas filled 
  Ca. 1925 up to 1945 rare.
Identical to 3531

Base SPECIAL TUBEBASE in general
Filament No heater
Description Has the same shape as the 3511. 
Dimensions (WHD)
incl. pins / tip
74 x 30 x 16 mm / 2.91 x 1.18 x 0.63 inch
  schematics_3511_and_3531~~1.png
  3531: own collection
Peter den Boer
 
3511_and_3531~~1.jpg
3531: own collection
Peter den Boer

 
base_3511_and_3531~~1.png
3531: own collection
Peter den Boer

 
3531data_1.png
3531: own collection
Peter den Boer



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