Extensive layout, using electropneumatic system includes 5-indication position light signals, master release and progressive signaling.


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    Title :

    Interlockings of new Chicago station


    Additional title:

    Ry. Signaling


    Contributors:
    Holt, Thos. (author)

    Published in:

    Publication date :

    1925


    Size :

    7 pages


    Remarks:

    13 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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    Three interlockings consolidated

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