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ID = 35224
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Triode, vacuum   Universal 
Identical to D-94230
Predecessor Tubes 230D  

Base SPECIAL TUBEBASE in general
Filament Vf 3 Volts / If 0.06 Ampere / Direct / Battery =
Description Receiving triode, T8 bulb on four-prong base with locating pin and wired like UX-199. Mu = 8.5, Gm 0.38 to 0.56mS. Grid and filament spring supported by glass bead from top of plate. Selected 231D, with UX-style bayonet base, bearing 215A-style studs. 1925-1928. 
Information source Tube Lore (I)   
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