Route levers and unique circuits used to control two switches and four signals; automatic plant includes operation of junction switch.


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    Title :

    Great northern automatic signal installation includes remote-control and automatic interlockings


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1929


    Size :

    4 pages


    Remarks:

    13 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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