Car retarders are one of most important features of new inbound classification yard; power supply, including battery floating on generator, ensures constant service regardless of power failures; method and speed of operation; track layout showing track grouping; maintenance organization.
Car retarders installed by C. and N. W. at Proviso Yard near Chicago
Ry. Signaling
Railway Signaling ; 23 , n 6
1930
5 pages
10 Figs.
Aufsatz (Zeitschrift)
Englisch
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