Guide to preparation of purchase specification of adjustable face traffic control signal heads; definitions; position of signal indications; housing; optical unit; traffic signal lenses; reflectors; candlepower distribution; lamp receptacle; wiring; trunnions and brackets; exterior finish. (Conn, Tech Report)


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    Title :

    Adjustable face traffic control signal head standards


    Additional title:

    Institute of Traffic Engineers -- Technical Report



    Publication date :

    1951


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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