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C-II

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ID = 34274
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   RF/IF-Stage 
  <1925 very rare. ***
Identical to C-II = C-2 = L_Idzerda = LHV_Ideezet = C-II_Ideezet
Production stop 1923
Base Edison medium E14 = 14 mm, mignon Base on each end.
Filament Vf 4 Volts / If 0.5 Ampere / Direct / Battery =
Description the designation of this tube was C 2 in 1920 and C II in 1921, 1922 and 1923. 
Dimensions (WHD)
incl. pins / tip		 24 x 115 x 22 mm / 0.94 x 4.53 x 0.87 inch
Weight 21 g / 0.74 oz
Information source - - Manufacturers Literature   722H 1-8-1921

Just Qvigstad 		ciiidata_1.png
C-II: own collection
Peter den Boer

Collection of

Peter den Boer (NL)
 
c2_2.jpg

 
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