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2957

Information - Help 
ID = 67995
       
Country:
United States of America (USA)
Brand: WLS (tubes), World's Largest Store - see also Sears, Roebuck & Co; Chicago, IL
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 2957 = UV199 = C299 = 2958_WLS = 2951

Base UV199
Was used by Radio/TV-reception etc.
Filament Vf 3.3 Volts / If 0.06 Ampere / Direct / Battery =
Description

The American company Sears Roebuck, with its head office in Chicago sold the standard range of American designed and made radio tubes from 1925. A few small manufacturers made these tubes and they were branded "WLS" (Worlds largest Store). The company allotted each tube a four digit number. The company also sold regular branded tubes such as Radiotron, Cunningham, Solartron and Meteor. Page 552 of the Fall 1925 Sears Roebuck catalog lists the 2957 as the Radiotrion UV199. It is also listed on page 493 of the Spring 1926 cataog

 
Dimensions (WHD)
incl. pins / tip
x x 25 mm / x x 0.98 inch
Literature Sears, Roebuck Catalogs (Silvertone)   Fall 1925, page 552
 
uv199~~2.gif
2957: Fin Stewart
Fin Stewart

 

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