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P220A_Lissen

Information - Help 
ID = 20931
       
Country:
Great Britain (UK)
Brand: Lissen Ltd.; London and Richmond, Surrey
Tube type:  Triode, vacuum   Power/Output 
Identical to P220A_Lissen

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source - - Manufacturers Literature   1930
History of the British Radio Valve to 1940   p. 147
 
b4_base_pins~~251.png
P220A_Lissen: Fin Stewart
Fin Stewart

 
p220a.png
P220A_Lissen: own collection
Peter den Boer


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