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B215P

Information - Help 
ID = 15572
       
Country:
Great Britain (UK)
Brand: BTH (B.T.H.), British Thomson-Houston Co, Ltd.
Tube type:  Triode, vacuum   Power/Output 
Identical to B215P

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
Wireless World (The), London (WW, 79)   Advt Oct 26 1927
History of the British Radio Valve to 1940
 
b4_base_pins~~118.png
B215P: Fin Stewart
Fin Stewart

 

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