Barrier manufactured by Westinghouse Brake and Signal Co for protection of highway crossings or for controlling traffic in factories and other places; it consists of 5-1/2-in. diam tubular post to which electrically driven operating mechanism is attached. (see also Engineering v 175 n 4537 Jan 9 1953 p 63-4)


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    Titel :

    Electrically-operated traffic barrier


    Weitere Titelangaben:

    Engineer


    Erschienen in:

    Engineer ; 194 , n 5057


    Erscheinungsdatum :

    1952


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Electrically-operated traffic barrier

    Engineering Index Backfile | 1953


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