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ID = 67158
United States of America (USA)
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Triode, vacuum   Audio Frequency 
  Ca. 1925 up to 1945 rare.
Identical to 4630_WLS = CX326 = WLS526
Similar Tubes
Normally replaceable-slightly different:
  M_CeCo ; UX226

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 1.5 Volts / If 1.05 Ampere / Direct / Specified voltage AC/DC

Page 671 of the Fall 1928 issue of the Sears Roebuck catalog announces the 4630 which is equivalent to the UX226. The company sold the standard range of US designed and made tubes and these were made by a few small manufacturers. The "WLS" (Worlds Largest Store) brand was eityher hot branded on the base of the tubes or a paper label on the glass. The Fall 1929 catalog has an entirely new catalog number and the 4630 became the 57T226.

Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 47 g / 1.66 oz
Information source Tube Lore (I)   page 16.
Sears, Roebuck Catalogs (Silvertone)   Fall issue 1928, page 671
4630_WLS: Fin Stewart
Fin Stewart


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