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ID = 66150
United States of America (USA)
Brand: Radio Apparatus Co.; Pottstown, PA
Tube type:  Triode, vacuum 
Identical to LibertyValve
Similar Tubes
Normally replaceable-slightly different:
  AudioTron ; Oscilaudion

Base Wires
Filament Vf 4 Volts / Direct / Battery =
Information source Saga of the Vacuum Tube, Tyne   pp. 183, 186
LibertyValve: KoBi
Konrad Birkner † 12.08.2014


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