Coded-type centralized traffic-control installation at Waltham, Mass, extended 12 mi west to include control of two layouts formerly requiring mechanical interlockings; old automatics replaced on 53.2 mi of line. (see also Ry Age v 99 n 13 Sept 28 1935 p 388-9)
New signaling on Boston and Maine
Ry Signaling
Railway Signaling ; 28 , n 9 ; p 477-481
1935
5 pages
Aufsatz (Zeitschrift)
Englisch
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New signaling on Boston and Maine
Engineering Index Backfile | 1935
Engineering Index Backfile | 1938
Engineering Index Backfile | 1933
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Engineering Index Backfile | 1911
Engineering Index Backfile | 1936