Public Water-supplies: Requirements, Resources, and the Construction of WorksJ. Wiley & Sons, 1908 - 808 pagina's |
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amount aqueduct arrangement artesian asphalt average bacteria basin bottom capacity cast-iron cast-iron pipe cent cholera cities coagulant concrete connected considerable construction consumption cost Croton Aqueduct depth determined diameter economical effect efficiency electrolysis elevation embankment Engineering estimated feet filter filtered water filtration flow foot formula friction gallons gravel ground-water hydrants hydraulic impervious inches increase iron joints Jour layer less located loss of head masonry material maximum meters method operation ordinary percolation pipe-line placed plant pollution porosity porous pounds pressure Proc pumping-plant pumps purification quantity rainfall readily Record reservoir River riveted sand sedimentation slope slow sand filter square square mile stand-pipe steel storage stratum streams stress Sudbury River supply surface Table tank thickness tion Trans typhoid typhoid fever usually valve various velocity vertical W. W. Assn Wachusett aqueduct walls Water-supply Water-works weight weir
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