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Water Supply: Considered Principally From a Sanitary Standpoint (Classic ...
William P. Mason
No preview available - 2015
acid albuminoid ammonia Altona amount analysis average bacillus bacteria bacteria per cubic Board of Health boiler calcium carbonate carbonic acid cause cent chemical chlorine cholera cleaning color cubic centimetre death-rate deaths depth dilute disease dissolved distilled Engineering epidemic evaporation experiments feet ﬁfty ﬁgures ﬁlter ﬁltered water ﬁltration ﬁnd ﬁne ﬁrst ﬁve ﬂood ﬂow forest free ammonia germs grammes ground-water hard water impure inches increase inﬂuence instance iron Lake layer litre material miles million morocco Nessler nitrates Nitrogen number of bacteria organic matter oxidation oxygen peaty pipe polluted potable precipitation present pumped puriﬁcation quantity rain rainfall reservoir River river-water salt samples sand sea-water sedimentation sewage sewers sodium sodium carbonate sodium chloride soil solution speciﬁc spirilla spirillum spring sterilized stream sufﬁcient sulphuric acid supply surface surface-waters temperature tion town trace typhoid fever water-supply well-water