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ID = 52481
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to MB2/200

Base SPECIAL TUBEBASE in general
Filament Vf 11 Volts / If 3.8 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
100 x 400 x mm / 3.94 x 15.75 x inch
Information source - - Manufacturers Literature   1930
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MB2/200: own collection
Peter den Boer

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