Train operation by signal indication; automatic-block system replacing manual-block signals; interlocking economics; method for comparing operating results before and after improvement in signaling facilities. (See also Am. Ry. Assn. -- Signal Section Proc vol. 28, no. 2, Oct. 1930 pp. 362-404, 4 figs)
Economics of railway signaling
Am. Ry. Assn. -- Proc
American Railway Association -- Proceedings ; 28 , n 1
1930
31 pages
Aufsatz (Zeitschrift)
Englisch
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Economics of railway signaling
Engineering Index Backfile | 1930
Economics of railway signaling
Engineering Index Backfile | 1929
Economics of railway signaling
Engineering Index Backfile | 1930
Economics of railway signaling
Engineering Index Backfile | 1929
Economics of railway signaling
Engineering Index Backfile | 1914
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