Controlled non-interlocking switching and color light signals facilitate and expedite freight switching movements in classification yard and at junction point in 25th Street freight classification yard at Pittsburgh, Pa; special switch indicators; trimmer and hump signals; panel type control machine; special time delay; circuit principle; natural gas engine generator.


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    Titel :

    Monongahela connecting railroad installs yard signaling


    Weitere Titelangaben:

    Ry Signaling Communications


    Erschienen in:

    Erscheinungsdatum :

    1951


    Format / Umfang :

    4 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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