New sectionalized roof for gondola cars consists of series of interlocking ribbed sections supported on rollers and moved by endless-chain system operated by hand crank; 46-ft gondola car used for first United States installation; roof may also be applied to truck trailers.
New sliding roof is offered for freight cars and trailers
Ry Age
Railway Age ; 151 , n 1
1961
2 pages
Article (Journal)
English
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