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G.P.

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ID = 82370
       
Country:
Great Britain (UK)
Brand: Puratone (Brand), Rubon Ltd.; London
Developer: Puratone (Brand), Rubon Ltd.; London 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to G.P.

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.1 Ampere / Direct / Battery =
Description

This tube is listed on page 121 of Keith Thrower's book  "British Raduio Valves the Vintage Years 1904-1925 but has the ffilament volts and amps  (4v, .45a) incorrect 

 
Information source British Radio Valves - The Vintage Years: 1904-1925   Page 121
-- Collector info (Sammler)   

b4_base_pins~~33.png G.P.: Fin Stewart
Fin Stewart


Just Qvigstad

Collection of

 
20200719_101222.jpg

G.P.
 

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