L and N has reconstructed and enlarged northbound classification yard at De Coursey, Ky, and has installed power switches, car retarders, communication systems, floodlighting, electric snow melters, and special office machines; each retarder is 38 ft 6 in. long, and operated by mechanism driven by 220-v d-c motor.
Louisville and Nashville installs retarders in decoursey yard
Ry Signaling
Railway Signaling ; 34 , n 2
1941
7 pages
Aufsatz (Zeitschrift)
Englisch
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