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ID = 14599
Great Britain (UK)
Tube type:  Triode, vacuum   Power/Output 
Identical to P410 = B409
Similar Tubes
Normally replaceable-slightly different:
  D9 ; M400
Other class quality (otherwise equal):
Other base:

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p. 148
- - Manufacturers Literature

1_160.png P410: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
P410: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

More ...
Usage in Models 2= 1928 ; 1= 1929? ; 1= 1929 ; 1= 1930? ; 1= 1930 ; 2= 1932? ; 2= 1932

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):10

Collection of



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