Plant on four-track line at Swissvale, Pa, involving three crossovers, one single switch and signals handled by C.T.C. type control machine 2 1/2 mi distant. (see also Ry Signaling v 30 n 3 Mar 1937 p 158-60)
Remote control on Pennsylvania
Ry Age
Railway Age ; 102 , n 16
1937
2 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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