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FER3_6Volt

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ID = 80812
       
Country:
Great Britain (UK)
Brand: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London
Developer: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London 
Tube type:  Triode, vacuum   Detector 
Identical to FER3_6Volt
Similar Tubes
Heater different:
  FER3_4Volt

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.1 Ampere / Direct / Battery =
Description

Louden valves were marketed by Fellows Magneto Co. Ltd. from 1924 to 1927. Some Louden designations used were F1 and F2 for bright emitters; FER1, FER2 are the corresponding dull emitter tubes having thoriated filaments.

 
Information source Wireless World (The), London (WW, 79)   13 April 1927
British Radio Valves - The Classic Years: 1926-1946   P. 246 & Supplement, p. 48

b4_base_pins~~8.png FER3_6Volt: Fin Stewart
Fin Stewart


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