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Screenodion-Bivolt

Information - Help 
ID = 69903
       
Country:
Great Britain (UK)
Brand: Dario - Impex Electrical Ltd. (see also Dario France); London
Tube type:  TRIODE (Detail uncertain) 
Identical to Screenodion-Bivolt
Similar Tubes
Heater different:
  Screenodion-Fourvolt

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.18 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   
 
screenodion_bivolt_data.png
Screenodion-Bivolt: Wireless World 4. Feb. 1931
Anonymous 15 Collector


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