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ID = 28407
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Gas Triode   Detector 
  <1925 rare.
Identical to B_Philips = B_Ideezet
First year Jul.1919 Saga of the Vacuum Tube, Tyne Seite 270
Production stop 1921

Base Edison medium E14 = 14 mm, mignon Base on each end
Filament Vf 2 Volts / If 0.5 Ampere / Direct / Battery =
Description Anode 25 Volt max. 
Text in other languages (may differ)
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
Literature - - Manufacturers Literature   H382 1-7-1919
B_Philips: own collection
Peter den Boer

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