Operation of modern signaling systems; most recent development provides for operation of considerable lengths of track by centralized traffic-control system in which all trains are moved by signal indication at will of despatcher, regardless of time-table superior-ity and without train orders; further developments, such as cab signaling, automatic train stop, and automatic train control. (See also Eng. Jl., vol. 14, no. 1, Jan. 1931, pp. 19-23, 7 figs. and (discussion) no. 5, May 1931, p. 295; Elec. News, vol. 40, no. 5, Mar. 1, 1931, pp. 39, 40 and 42, 3 figs.)
Automatic block signalling on Canadian pacific railway
Can. Ry. Mar. World
1931
4 pages
7 Figs.
Aufsatz (Zeitschrift)
Englisch
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