Pennsylvania Railroad has conducted extensive development work with reference to cropping ends from rails in track; portable rail saw and gang drill have been devised and proved highly satisfactory in service; these and other special units of equipment used in work, and methods and organization employed, are described.
Pennsylvania crops rails in track
Ry Eng Maintenance
Railway Engineering and Maintenance ; 37 , n 8
1941
4 pages
Aufsatz (Zeitschrift)
Englisch
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