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ID = 61390
Brand: Common type France tube/semicond.
Tube type:  Triode, vacuum   Universal 
  <1925 extraordinarily rare. Production was less than 100 items. ****
Identical to TM_Culot-Y

Base 4-pin French Y-base
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.55 Ampere / Direct / Battery =

TM valve with French Y base (called "Europe B4 grand" in Radiomuseum)

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Information source -- Collector info (Sammler)   

culot_y_sockel~~1.png TM_Culot-Y: KoBi
Konrad Birkner † 12.08.2014

Just Qvigstad
Usage in Models 1= 1917?? ; 1= 1923?? ; 2= 1923? ; 2= 1923 ; 1= 1925?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of



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