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BS215

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ID = 85580
       
Country:
Great Britain (UK)
Brand: BTH (B.T.H.), British Thomson-Houston Co, Ltd.
Developer: BTH (B.T.H.), British Thomson-Houston Co, Ltd. 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to BS215
Similar Tubes
Normally replaceable-slightly different:
  B242
First Source (s)
Aug.1930 : Philips Bulletin R1164, p. 30

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct
Information source British Radio Valves - The Classic Years: 1926-1946   Supplement p. 14 &
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren   

b4_sg~~9.png BS215: Fin Stewart
Fin Stewart


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