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RadioMicroSpezial

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ID = 19502
       
Country:
France
Brand: La Radiotechnique (RT); Paris, Suresnes
Tube type:  TRIODE (Detail uncertain) 
  <1925 rare.
Identical to RadioMicroSpezial

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct / Battery =
Information source Saga of the Vacuum Tube, Tyne   p. 400

b4sockel_7.png RadioMicroSpezial: KoBi
Konrad Birkner † 12.08.2014


Just Qvigstad

Collection of

 
radio_micro_spezial.png

RadioMicroSpezial
 

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