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W408b

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ID = 15044
       
Country:
Netherlands
Brand: Longlife, the Hague
Tube type:  TRIODE (Detail uncertain) 
Identical to W408b

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.08 Ampere
Description The "Röhren-codex" lists this tube as a Thermion tube, but likely the brand and designation is wrong. See Longlife type W408N. 
Information source Taschenbuch zum Röhren-Codex 1948/49   

w408b_sock.png W408b: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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