In passenger station track layout of Birmingham Terminal Co, Birmingham, Ala, two interlockings have been replaced by one new all relay interlocking, controlled by entrance exit machine and system of circuits; details of installation.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 Age v 115 n 22 Nov 27 1943 p 863-5)
All-relay interlocking installed at Birmingham terminal
Ry Signaling
Railway Signaling ; 36 , n 12
1943
7 pages
Article (Journal)
English
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