Organization and operation of large, fully mechanized rail laying gang on Western Region of Pennsylvania, which differs in several respects from former organizations and methods of operation on this road; procedure was followed because much higher scheduled speeds of trains, as compared with, few years ago, require that conditions causing train delays be eliminated.
Pennsylvania lays rail under traffic -- Without slow orders
Ry Eng Maintenance
Railway Engineering and Maintenance ; 35 , n 5
1939
Aufsatz (Zeitschrift)
Englisch
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