Roundhouse of Norfolk and Western Railroad, at Williamson, W. Va., equipped with 23 curtain-type doors, made from light strong alloys of aluminum, 13 ft. wide and 19 ft. 11 in. high, weighing 323 lb. each.
Aluminum alloy doors used in railroad roundhouse
Eng. News-Rec.
Engineering News-Record ; 106 , n 13
1931
2 pages
1 Fig.
Article (Journal)
English
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