Mechanical plants replaced at saving of $5000 per year; principle of operation is similar to regular automatic signaling; special feature that prevents departing train from holding signals against other road; neither road can hold crossing for following moves if train is waiting on other line.


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    Title :

    Rock island installs several automatic interlockings


    Additional title:

    Ry. Signaling


    Contributors:

    Published in:

    Publication date :

    1927


    Size :

    4 pages


    Remarks:

    6 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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