New equipment developed on one railroad includes rubber tired 5-ton hoist equipped with retractable flanged wheels that can be operated on or off track, and special equipment for jacking up decks of timber trestles to permit renewal of caps; photographs and text explain how equipment is used.
New tools for trestle work
Ry Track Structures
Railway Track and Structures ; 53 , n 7
1957
2 pages
Article (Journal)
English
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