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L-Detektor_Frelat

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ID = 14432
       
Country:
Netherlands
Brand: Frelat N.V.; Amsterdam
Developer: Heussen, M. & Co; Arnhem 
Tube type:  Triode, vacuum   Detector 
  Ca. 1925 up to 1945 rare.
Identical to L-Detektor_Frelat
First Source (s)
15.Mar.1927 : Funk Bastler #13

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.25 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
British Radio Valves - The Classic Years: 1926-1946   P. 262 and Supplement, p. 40

ldet_sock.png L-Detektor_Frelat: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
frelatdata_5.png
L-Detektor_Frelat: own collection
Peter den Boer

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