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424A

Information - Help 
ID = 32066
       
Country:
United States of America (USA)
Brand:
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Screen-grid Tetrode   Universal 
Identical to 424A = 24A = UY224A = C324-A = PH224A

Base UY-Base, 5 Pins (USA, April 1927) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
45 x 125 x mm / 1.77 x 4.92 x inch
Weight 53 g / 1.87 oz
Information source -- Collector info (Sammler)   
 
deforest_424a.jpg
424A: O.F.
Otto Frosinn

More ...
 
424a_so.png
424A: ARRL Handbook 1972
Michael Schlör

 

from Just Qvigstad

Usage in Models 2= 1931

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2



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