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FER2_6Volt

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ID = 30854
       
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   Universal 
Identical to FER2_6Volt
Similar Tubes
Heater different:
  FER2_4Volt
First Source (s)
1925 : British Radio Valves - The Vintage Years: 1904-1925 p.51 & 158
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 marketet by Fellows Magneto Co. Ltd. in 1924 and 1925. Some Louden designations used were FE1 and FE2 for bright emitters; FER1, FER2 and 0.06 designated dull emitters having thoriated filaments.

 
Information source Saga of the Vacuum Tube, Tyne   page 392
British Radio Valves - The Classic Years: 1926-1946   P. 246 & Supplement, p. 48
b4_base_pins~~6.png FER2_6Volt: Fin Stewart
Fin Stewart

Just Qvigstad 		fer2_spec_1.png
FER2_6Volt: Banneitz, TB der drahtl. Teleph. 1927
Anonymous 15 Collector
 
You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  
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