New version of undertrack plow for maintenance of way work has blades angling in only one direction to permit its use in double track territory; second innovation is frame that is towed behind work train to keep track being plowed in alignment.
Now -- "double-track" plow
Ry Track Structures
Railway Track and Structures ; 52 , n 10
1956
2 pages
Aufsatz (Zeitschrift)
Englisch
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