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P525_Neutron

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ID = 59317
       
Country:
Great Britain (UK)
Brand: Neutron Ltd., London
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to P525_Neutron

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description

Filament voltage 5-6 Volt.

Ref. Advertisement 15 in Wireless World September 22nd 1926.

 
Information source History of the British Radio Valve to 1940   p. 150
British Radio Valves - The Classic Years: 1926-1946   P. 248 & 331; Supplement, p. 80

3_b4~~27.png P525_Neutron: own collection
Peter den Boer


Just Qvigstad
 

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