Description of device developed in California which is installed on traffic lights and diffuses light from signal so that all light was cut off within vertical distance of 5 ft when viewed 500 ft from signal. (See also Calif Highways and Pub Works v 20 n 8 Aug 1942 p 4-5 and 20)


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    Titel :

    Highways division designs new traffic signal blackout unit


    Weitere Titelangaben:

    Am Highways


    Beteiligte:
    Simmons, A.E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1942


    Format / Umfang :

    3 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Highways division designs new traffic signal blackout unit

    Simmons, A.E. | Engineering Index Backfile | 1942


    TRAFFIC SIGNAL CONTROL SYSTEM AND TRAFFIC SIGNAL APPARATUS FOR PREVENTING BLACKOUT

    KIM JONG BOK / LEE HO SANG | Europäisches Patentamt | 2016

    Freier Zugriff


    Considerations affecting designs of heavy traffic highways in Ontario

    McLean, W.A. | Engineering Index Backfile | 1919


    Signal blackout studies in Australia

    Woolley, G.F. | Engineering Index Backfile | 1942