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ID = 28793
Great Britain (UK)
Brand: Scott - Taggart (Author)
Tube type:  Triode, vacuum   Universal 
Identical to ST41
First year Feb.1927 Saga of the Vacuum Tube, Tyne page 395
First Source (s)
03.Nov.1926 : Wireless World (The), London (WW, 79) "On sale" advt p22-23

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Filament Vf 4 Volts / If 0.1 Ampere / Direct / Battery =

Hersteller: S.T. Co Ltd, Great Britain


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