Deals with signals for path or track on which train has to travel, consisting generally as follows: "Stop," "Caution" or "Proceed"; different types. (See also - discussion p 26-30)
Railway signalling
Can. Ry. Club -- Proc
Canadian Railway Club -- Proceedings ; 22 , n 8
1923
6 pages
Aufsatz (Zeitschrift)
Englisch
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