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)


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    Title :

    Consolidated interlockings


    Additional title:

    Ry Signalling


    Published in:

    Publication date :

    1933


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Consolidated interlockings

    Engineering Index Backfile | 1933


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    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