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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 (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / Direct / Battery =
Literature Saga of the Vacuumtube, Tyne   p. 400
 
radio_micro_spezial.png
RadioMicroSpezial: R.O.
Rudolf Osterkamp

 
b4sockel_7.png
RadioMicroSpezial: KoBi
Konrad Birkner † 12.08.2014

 


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