Description of all-delay interlocking installed at Saginaw, Mich, to replace one of very early Model-2, General Railway Signal Co, allelectric interlockings installed in 1903; machine is equipped with toggle switch and small green entrance-exit route lamps to give leverman opportunity to check track line-up before clearing signal.


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    Title :

    New interlocking on pere Marquette


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1946


    Size :

    3 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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