Heavy traffic necessitates doubling capacity of yard at Portsmouth, Ohio; gravity switching and car retarders; switching hump has two tracks spaced 13 ft. c. to c., each with 300-tons scale 72 ft. long; car control in switching; car-retarder system comprises 34 retarders, 44 switches, and 37 skates; car-repair yard and shops; smoke exhaust system at engine house.
Enlarged freight yard and engine terminal for Norfolk and western railway
Eng. News-Rec
Engineering News Record ; 102 , n 26
1929
5 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
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