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B6_BTH

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ID = 28090
       
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:  Triode, vacuum   Power/Output 
  <1925 rare.
Identical to B6_BTH
First Source (s)
1924 : Saga of the Vacuumtube, Tyne
1924 : British Radio Valves - The Vintage Years, Thrower p.47

Base Europe 4-Pin (A, 4A, B4, since 1914)
Filament Vf 3 Volts / If 0.12 Ampere / Direct / Battery =
Description Va 40 to 120.

"Made at the Mazda Lamp Works For use with Dry Cells) RFJ/BTH Advertisement 

Tube prices 1 Tube prices (visible for members only)
Literature - - Manufacturers Literature   1925 Brown Brothers Catalog 217
 
b6bth_1_klein.jpg
B6_BTH
Geri Meier

 
b6_bth_spec.png
B6_BTH: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector



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