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FER2_6Volt

Information - Hilfe 
ID = 30854
       
Land:
Grossbritannien (UK)
Marke: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London
Entwickler: Louden Valve (Brand), Fellows Magneto Co. Ltd.; London 
Typ:  Triode (Hoch-) Vakuum   Universal 
Identisch mit FER2_6Volt
Ähnliche
Heizdaten anders:
  FER2_4Volt
Erste Quelle(n)
1925 : British Radio Valves - The Vintage Years: 1904-1925 p.51 & 158
Sockel Europasockel 4-Stift B4 (Eu A, E, 4A) 1914
Anwender Radio/TV-Empfang etc.
Heizung Uf 6 Volt / If 0.1 Ampere / Direkt / Batterieheizung =
Beschreibung

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.

 
Literatur 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
Anonym 15 Sammler
 
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