Roughometer is towed at rate of 20 mph and as single smooth, pneumatic, rubber tired wheel bounces over rough spots movement of axle of wheel is recorded through special ball clutch attached to spring-and-shock-absorber suspended wheel.


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    Title :

    North Carolina measures roughness of roads


    Additional title:

    Pub Works


    Contributors:

    Published in:

    Public Works ; 88 , n 4


    Publication date :

    1957


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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