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RO4135

Information - Help 
ID = 77813
       
Country:
France
Brand: Visseaux / Télévisso; Lyon / Paris
Tube type:  Triode, vacuum 
Identical to RO4135
Similar Tubes
Normally replaceable-slightly different:
  A435
First Source (s)
Sep.1930 : L'Histoire Singulière du Tube Radio; G. Duperray 2009

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Description

Top Cap anode linked to base pin externally.

 
Information source Babani, International Radio Tube Encyclopaedia   
 
ro4135.jpg
RO4135: BGT
Bruce Taylor

 
ro4135f.png
RO4135: Visseaux-Radio
Bruce Taylor


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