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II

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ID = 28924
       
Country:
Austria
Brand: Nowak & Co.; Wien
Tube type:  Triode, vacuum   Universal 
Identical to II
First year 1927 Saga of the Vacuum Tube, Tyne page 463
First Source (s)
15.Mar.1927 : Funk Bastler #13

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 3 Volts / If 0.2 Ampere / Direct / Battery =
Information source Bastelbriefe der Drahtlosen   1927, H.8
Saga of the Vacuum Tube, Tyne   P. 463

b4_base_pins~~705.png II: Fin Stewart
Fin Stewart


Just Qvigstad
daten_nowak_ii_iia_iii_iiia.png
II: WEKA-Katalog 1927
Gerhard Heigl

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