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ID = 28438
Brand: Microlux, A. Bertrand; Paris
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to C3_Microlux
First year 1924 ? Saga of the Vacuum Tube, Tyne Seite 410

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 3.8 Volts / If 0.1 Ampere / Direct
Description Ua= 80...120 V
Amplification factor: 9
Anode impedance: 10000 Ohm 
Literature - - Manufacturers Literature   
C3_Microlux: R.O.
Rudolf Osterkamp

C3_Microlux: own collection
Peter den Boer

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