Pennsylvania Railroad consolidated two or more interlockings into one tower resulting in elimination of towers at outlying points; diagrams of typical remote-control circuits used; track and signal plan of territory controlled.


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    Title :

    Consolidated interlocking and block offices


    Additional title:

    Ry Signaling


    Published in:

    Publication date :

    1933


    Size :

    5 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English







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