Automatic protection by radio to control shortarm gates at 2 adjacent railroad highway grade crossings 1693 ft apart in St. Albans, Vt; radio control equipment on locomotives in working yard, consists of tone generator, relay and circuit elements in case on front of which is telephone dial; unit is mounted under Motorola radio control head.


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    Titel :

    Radio control added to crossing gates


    Weitere Titelangaben:

    Ry Signaling Communications


    Beteiligte:
    Mullen, C.J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1963


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



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    Power-operated crossing gates in India

    Engineering Index Backfile | 1952