Journal of the New England Water Works Association, Volumen25

9 ft Allen Hazen amount average backfill basin Board of Water Boston cast-iron pipe CATSKILL AQUEDUCT cent coagulant committee concrete considerable construction contractor cost depth diameter discharge efficiency ejector elevation engineer England Water experiments filtered water filtration fire flies gage George Bowers guaranty hole hopper hose Hudson River hydrant increase iron larvæ Lock canal Long Island Sound Mass matter meter method miles million gallons mortar municipal Narragansett Bay nozzle operation pipe line placed plant plates President pressure protection pumps R. J. Thomas reservoir river rivets Robert Ridgway rock sand filters sanitary shaft siphon standpipe steel pipe streams stresses superintendent surface tank thickness throat tintometer tion town tunnel typhoid fever valve wash Water Board Water Commissioners Water Company water hammer water ram water supply Water Works Association water-works watershed Willard Kent