Survey of recent developments in signaling practice, with some consideration of their foundations and growth; track circuits; automatic train control and cab signals; centralized traffic control; route interlocking; types of wayside signals; signaling on Bay Bridge. Before Am Inst Elec Engrs.
Signaling on electric railroads
Elec Eng
Electrical Engineering ; 58 , n 8
1939
6 pages
Article (Journal)
English
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