Journal of the New England Water Works Association, Volúmenes31-32

algæ alum amount average Board Boston Caleb Mills capacity carbonic acid cast-iron pipe cement cement-lined pipe cent charge coagulation coal colloidal color color removal commissioner committee concrete connection construction consumption corrosion cost Desmond FitzGerald diameter electric electrolysis engineer England Water filter plants filtered water filtration flocculation FRANK L galvanized going gravel grout Hartford Haverhill holes hydrant increase installed joints Killam lake lead pipe leak manufacturers Mass material matter McInnes meters method miles million gallons municipal negative operation pond practically present PRESIDENT SAVILLE pressure pumping station rails rapid sand filter reservoir River rock September 13 service pipes slow sand filter steel pipe strainer stream Superintendent surface suspensoid tests tion to-day town trouble valve wash water water companies water department water supply Water Works Association water-works Willard Kent wrought iron