Specification refers to electrically illuminated and operated signal systems using beams of light, colored by transmission through glasses, for control of road traffic.


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    Title :

    British standard specification for road traffic control (electric) light signals


    Additional title:

    Brit Standards Instn -- Brit Standard Specification



    Publication date :

    1939


    Size :

    35 pages


    Type of media :

    Standard


    Type of material :

    Print


    Language :

    English