Developments of automatic train control; increased efficiency secured in railway operation by signal indications in lieu of train orders and time table superiorities; synopsis of principal current activities of signal section A.R.A., supplemented with list and references by number of adopted specifications, design and principles of signaling practice.
Report of committee X -- Signals and interlocking
Am Ry Eng Assn -- Bul
American Railway Engineering Association -- Bulletin ; 33 , n 343
1932
7 pages
Aufsatz (Zeitschrift)
Englisch
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