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ID = 12935
Brand: Visseaux / Télévisso; Lyon / Paris
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to RO4141
Similar Tubes
Normally replaceable-slightly different:
  A441N ; DG407 ; MX40 ; RE074d ; TA31 ; U408D
First Source (s)
Feb.1930 : L'Histoire Singulière du Tube Radio; G. Duperray 2009

Base Europe "B5 big size" (D, Bigrille) (Codex=Eu)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
  RO4141: DRB 55
Wolfgang Holtmann
RO4141: CA
Christian ADAM

RO4141: W.H.
Wolfgang Holtmann

RO4141: Visseaux-Radio Datasheet
David Zeller

Usage in Models 1= 1928? ; 1= 1929?? ; 1= 1929?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

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