Four large interlockings handle new facilities including many of functions formerly included in 16 old plants; operating difficulties; work completed by stages; Broad Zoo, Penn, and Gray's Ferry interlocking; track and signal plan; indication received on interlocking machine; ground-detector system; interlocking machine rooms; flexible communication system facilities operation; compressors and air lines; duct and cable system; power transmission and distribution.


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    Titel :

    Signaling Philadelphia terminal of Pennsylvania


    Weitere Titelangaben:

    Ry. Signaling


    Beteiligte:
    Post, E.K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1931


    Format / Umfang :

    7 pages


    Anmerkungen:

    15 Figs.


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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