At Big Elk, Del, North East, Md, and Winans, three outlying locations involving switches where number of main tracks change from four to three, Pennsylvania has replaced mechanical inter-lockings with power switches and signals controlled remotely from two centralized traffic control type control machines, code apparatus being used to control field functions and to bring in indications.


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    Titel :

    Remote control on Pennsylvania


    Weitere Titelangaben:

    Ry Signaling


    Erschienen in:

    Erscheinungsdatum :

    1936


    Format / Umfang :

    4 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Remote control on Pennsylvania

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