Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 67161
United States of America (USA)
Developer: Westinghouse El. & Mfg. Co. - see also Canadian W. 
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to 4619_WLS = CX381 = WLS581
Similar Tubes
Normally replaceable-slightly different:
  R81 ; UX281

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct

Page 711 of the Spring 1929 Sears Roebuck catalog lists a new tube - 4619_WLS which is equivalent to the UX281 rectifier tube. The "WLS" (Worlds Largest Store) brand was either hot branded ionto the base or a paper label on the glass. The Fall 1929 catalog has an entirely new catalog number series and the 4619_WLS became the 57T281

Information source Tube Lore (I)   page 16.
Sears, Roebuck Catalogs (Silvertone)   Page 711, Spring 1929
4619_WLS: Fin Stewart
Fin Stewart


from Just Qvigstad

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]