. A treatise on hygiene and public health . f either of these machines is about 1,650pounds, which can be drawn by one horse with ease. At the speed of ahorses pace, a machine is capable of sweeping 5,500 square metres perhour, which corresponds to the work of ten ordinary laborers.^ A somewhat similar sweeper, patented by Mr. Edson, has been used inBoston and Philadelphia, with good results. Smiths sweepers, both the sweeping and self-loading machine andthe simple sweeping machine, have also been in use in the latter are serviceable and e£, and have proved satisfactory after
. A treatise on hygiene and public health . f either of these machines is about 1,650pounds, which can be drawn by one horse with ease. At the speed of ahorses pace, a machine is capable of sweeping 5,500 square metres perhour, which corresponds to the work of ten ordinary laborers.^ A somewhat similar sweeper, patented by Mr. Edson, has been used inBoston and Philadelphia, with good results. Smiths sweepers, both the sweeping and self-loading machine andthe simple sweeping machine, have also been in use in the latter are serviceable and e£, and have proved satisfactory after atrial of several years. The two-horse side-sweeper, represented by Fig-87, is the most effective apparatus. It consists of a cylinder of brooms ^ Notice sur le nettoiement de la voie publique. Paris, 1876. 560 SOIL AND WATER. placed diagonally across and under the truck. Gearing connected withthe driving-wheel gives motion to the broom-cylinder, so that the latterrevolves as the truck advances, with greater or less rapidity, according to. Fig. 87.—Smiths two-horse side-sweeper. the speed of the horses. The oblique action of the broom throws the dirtto one side in the form of a winrow. When this machine is operatedalone, the dirt thus collected in rows at the sides of the street or in thecentre must be heaped up and thrown into carts by manual labor. Itmay be worked with great advantage in connection with the sweepingand loading machine, represented at Fig. 88. The construction of this
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Keywords: ., bookcentury1800, bookdecade1870, booksubjecthygiene, bookyear1879
