Two remote-control interlockings, together effecting immediate payroll saving of $10,348 in operating expenses annually, recently installed by signal department forces of Chicago, Milwaukee, St. Paul and Pacific, near Chicago; single-line diagram. (see also Ry Age v 94 n 7 Feb 18 1933 p 240-1)
Consolidated interlockings
Ry Signalling
Railway Signaling ; 26 , n 2
1933
3 pages
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1933
Three interlockings consolidated
Engineering Index Backfile | 1928
Three interlockings consolidated
Engineering Index Backfile | 1928
Consolidated control of three interlockings
Engineering Index Backfile | 1952
Consolidated control of three interlockings
Engineering Index Backfile | 1952