Review of circulars, Nos DV1047 and 1048, issued by Assn of American Railroads; first reports conclusions on savings achieved by restoring flange tread profile of wrought steel car wheels of type known as "one-wear"; in other circular, many of recommendations relate to approved coupling devices; question of repairing couplers by welding is under investigation. (See also - n 4075 Feb 18 1944 p 123)
American railway wheels and drawgear
Engineering
Engineering ; 157 , n 4077
1944
2 pages
Aufsatz (Zeitschrift)
Englisch
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