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RO4109

Information - Help 
ID = 14756
       
Country:
France
Brand: Visseaux / Télévisso; Lyon / Paris
Tube type:  Triode, vacuum   Detector 
Identical to RO4109
First year 1928 Saga of the Vacuumtube, Tyne page 414

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 3.5 Volts / If 0.06 Ampere / Direct / Battery =
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
ro4109.png
RO4109: R.O.
Rudolf Osterkamp

 
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RO4109: Visseaux-Radio Datasheet
David Zeller



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