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ID = 11586
Brand: Dario (tubes) - voir aussi La Radiotechnique
Tube type:  Vacuum Pentode   Power/Output 
Identical to R79 = B443_4pin
Similar Tubes
Other base:
  B443 ; R79_5pin
First Source (s)
Sep.1928 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
10.Dec.1928 : -- Original prospect or advert "Le Mercure Africain"

Base Europe 4-Pin B4 + side contact (Codex=Foo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.15 Ampere / Direct / Battery =

Codex falsch erfasst!

Diese Röhre gab es auch mit Europasockel 5-Stift.

Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

r79_so.png R79: rtt
Anonymous 10 Collector

Just Qvigstad
R79: own collection
Peter den Boer

More ...
Usage in Models 1= 1928?? ; 2= 1928 ; 1= 1929? ; 1= 1929 ; 1= 1930?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

Collection of



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