. Public works . eroad with the spreadingwagon is used andthe haul is not toogreat, the materialcan be spread directly on the roadwithout in caseswhere the haul is solong t h at rehand-ling becomes neces-sary, it has been found that a saving of one-half the costof spreading can lie effected by usingthe wagon. The spreader distrilnitesthe material with absolute uniforniily and the resulting surface is claimed tobe free from the waves and inequal-ities of hand spreading. Both the spreading and surfacing at-tachments are shown in operation inthe illustration. The wago
. Public works . eroad with the spreadingwagon is used andthe haul is not toogreat, the materialcan be spread directly on the roadwithout in caseswhere the haul is solong t h at rehand-ling becomes neces-sary, it has been found that a saving of one-half the costof spreading can lie effected by usingthe wagon. The spreader distrilnitesthe material with absolute uniforniily and the resulting surface is claimed tobe free from the waves and inequal-ities of hand spreading. Both the spreading and surfacing at-tachments are shown in operation inthe illustration. The wagon has beenused satisfactorily on repair jobs onNew York roads. The work was doneat a saving of SO per cent in handlingand no touching up was needed. and 2 stone was used on this Grove Brown of Groton, N. Y., isthe designer and builder of this wagon. HETHERINGTON ROAD BUILD-ING Plant for Bituminous Mix-tures. Development in liituniinnus plants liasrecently he<n towards the production. HETHERINGTON PORTABLE RO.\D Bf I U .Xi; PLANT of a portable plant with a fairly largecapacity. The need of such a plantaway from railroad points combinedwith the requirements of the contractor at work on bituiiiincnis pavements insmall towns, parkways, etc., has madethe portable plant of great value. Theproblems involved in the design ofsuch a plant were the limits of size andweight by the condition that the plantmust be easily transportable over theordinary highway or on a common box-car. At the same time in order to bepracticable, the plant must have acapacity of at least 500 square yards of2-inch sheet asphalt topping per day orother bituminous mixtures in propor-tion. The first portable plant of thistype produced by Hetherington &Berner was invented Ijy Mr. Hethering-ton in 1897 and patented in 1899. In1904 one of the plants was operated ona paving contract in Saginaw, Mich.,and it is claimed that the plant turnedout material for more than 20,000square yards o
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Keywords: ., bookcentury1800, bookdecade1890, bookidpublicworks3, bookyear1896
