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424

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ID = 12452
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
Identical to 424 = F224 = ER224 = TS224 = VY224 = C-224 = T-24 = T-24-AC = A.C.224 = GSY224 = CL-24 = GY224 = 24

Base UY-Base, 5 Pins (USA, April 1927) (Codex=Ha)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
-- Collector info (Sammler)   

s_225_g_8.gif 424: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20


Just Qvigstad
Usage in Models 1= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


Collection of

 
deforest_424.jpg

424
 

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