Pavements for modern traffic . Construction of Bituminous Macadam by the Mixing Method. Hot bitumen is mixed with the top course stone (also heated) before it is placed on the , N. Y., 1901). Both of the above views are of experimental roads built under thesupervision of the Office of Public Roads. —! —. Tar Macadam. Spreading from distributing wagon by steam pres-sure furnished from steam roller. Rate of distribution, 600 gallons perhalf hour. It is possible to get more uniform spreading by this methodthan with hand cans.

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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1913