Train communications installed on two adjacent engine districts of 245 route-mi of 4-track railroad between Harrisburg, Pa, and Pittsburgh; description of communication system. (see also Ry Signaling v 40 n 10 Oct 1947 p 626-30)
Train communication on Pennsylvania
Ry Age
Railway Age ; 123 , n 13
1947
5 pages
Aufsatz (Zeitschrift)
Englisch
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