Technical problems involved in, and operating results of, Great Northern's automatic interlocking at end of double track at Lohman, Mont; switch and related signals are controlled and operated automatically for regular movements; experience with automatic interlocking reviewed.


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    Title :

    Automatic interlocking protects end of double track


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1932


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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