. Public works . to the method given above, one of the solu-tion will be equal to one milligram of chlorine. With sucha solution the calculations are simpler and more quicklymade. In place of the iodized starch paper, large drops of theiodized starch solution may be placed separately upon apiece of clean porcelain or white glass. These are touchedin succession with the stirring rod as the titration pro-ceeds. As soon as a spot fails to turn blue the end-pointhas been reached. If preferred, toward the end of the titration, which maybe done in a porcelain dish, a drop or two of the iodizeds
. Public works . to the method given above, one of the solu-tion will be equal to one milligram of chlorine. With sucha solution the calculations are simpler and more quicklymade. In place of the iodized starch paper, large drops of theiodized starch solution may be placed separately upon apiece of clean porcelain or white glass. These are touchedin succession with the stirring rod as the titration pro-ceeds. As soon as a spot fails to turn blue the end-pointhas been reached. If preferred, toward the end of the titration, which maybe done in a porcelain dish, a drop or two of the iodizedstarch solution may be added to the contents, causing apale blue color, which disappears as soon as the end pointis reached. HIDDEN SPRINKLERS FOR PARKS. A system of buried sprinklers is being installed in ailthe Los Angeles city parks where new lawns have to beput in. These consist of long stretches of pipe withsprinklers every few feet, so that when the water isturned on the whole lawn can be watered at one time. SPRINKLING FROM UNDERGROUND PIPES. LOS ANGELES. vithout the constant services of a man. Under the oldsystem the attendant was often kept busy all day chang-ing from one connection to another several lengths ofhose, which carried sprinkling devices. This system is found to be very economical, for theground can be thoroughly soaked in less time, and moretiniformly, no bit of ground being watered twice, thussaving on the water supply. November 19, 1914 MUNICIPAL JOURNAL 739 Municipal Journal Published Weekly at 50 Union Square (Fourth Ave. and Uih St.). New York By Municipal Journal and Engineer, Inc. Telephone, 2S05 Stuyvesant, New York Western Office 608 S. Dearborn Street. Chicago S. W. HUME, President ;. T. MORRIS, Treas. and Mgr. A. PRESCOTT FOLWELL, Secrttary C A. DICKEXS, Western Manager A. PRESCOTT FOLWELL. Editor Subscription Rates United States md possessions, Mexico, Cuba $ per year All other countries ■. per year Entered as second-clasi. matter, Ja
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