Public works . the first year and about297,500 the last three years. Sweeping was done bynight, the machines operating over the entire areaevery night except Sunday and stormy nights, thenumber of nights per year varying from 232 to 259. The amount of dirt removed is measured andweighed and the records are probably more accuratestatements of the amount of dirt removed than arethose of most street cleaning departments. More-over, it is believed that they more correctly representthe amount that collects on the pavements, for thesuction sweeper is believed to collect the dirt morecompletely than
Public works . the first year and about297,500 the last three years. Sweeping was done bynight, the machines operating over the entire areaevery night except Sunday and stormy nights, thenumber of nights per year varying from 232 to 259. The amount of dirt removed is measured andweighed and the records are probably more accuratestatements of the amount of dirt removed than arethose of most street cleaning departments. More-over, it is believed that they more correctly representthe amount that collects on the pavements, for thesuction sweeper is believed to collect the dirt morecompletely than does a broom, just as a vacuumcleaner obtains more dirt from a carpet than does abroom and dust-pan; while in the case of a streetflusher a considerable part of the dirt is washed intothe sewer. The figures for the past five years have been fur-nished to us by the Way-Qeansa Corporation, andwill be extremely interesting to municipal are as follows : Two sweepers swept the same section during the. year from Jan. 1 to Dec. 31, 1917, a total of 248nights, 43,670,551 square yards; they picked up andhauled to the dump, 3,224,177 pounds of dirt anddust, or an average of 13,000 pounds per night, or738 per great square. Between Jan. 1 and Dec. 31, 1918, two sweepersswept the same section each night for 232 nights,54,843,152 square yards; they picked up and hauledto the dump 3,448,300 pounds of dirt and dust, oran average of 14,863 pounds per night, or 629 pergreat square. Between Jan. 1 to Dec. 31, 1919, two sweepersswept the same section each night for 259 nights,77,077,7^9 square yards; they picked up and hauledto the dump 5,194,496 pounds of dirt and dust, or20,056 pounds per night, or 674 per great square. Between Jan. 1 to Dec. 31, 1920, two sweepersswept the same section 235 nights, 69,941,526 squareyards; they picked up and hauled to the dump 4,982,-904 pounds of dirt and dust, or 21,204 pounds pernight, or 712 per great square. Between Jan. 1 to Dec. 31, 1921, tw
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
