In passenger station track layout of Birmingham Terminal Co, Birmingham, Ala, two interlockings have been replaced by one new all relay interlocking, controlled by entrance exit machine and system of circuits; details of installation. (see also Ry Signaling v 36 n 12 Dec 1943 p 652-8)
All-relay interlocking installed at Birmingham terminal
Ry Age
Railway Age ; 115 , n 22
1943
3 pages
Article (Journal)
English
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