Six electropneumatic interlockers, overlap-controlled signals with automatic train stops, are features of high-speed transit project.


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    Title :

    Latest equipment features Philadelphia subway signaling


    Additional title:

    Ry. Signaling


    Published in:

    Publication date :

    1930


    Size :

    6 pages


    Remarks:

    8 Figs.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


    New Philadelphia subway

    Engineering Index Backfile | 1929


    New Philadelphia subway

    Engineering Index Backfile | 1929



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