Notes on interlocking plant on elevated railway of Chicago Rapid Transit Co, equipped with a-c track circuits and new 19-lever Union Switch and Signal Co Model-14 interlocking machine.


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    Title :

    New interlocking in Chicago loop


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1935


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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