A Manual of Practical Hygiene, for Students, Physicians, and Medical Officers |
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according action adulteration alcohol ammonia amount animals anthrax apparatus average bacillus bacteria boiling carbonic acid cause cent chemical chloride cholera color commonly constituents containing cresols cubic death decomposition diarrhoea digestion dilute diphtheria discharged disease disinfected distilled dried dust epidemic evaporation extensively favorable feet filter filtration flask formaldehyde grams ground-water heat hydrochloric acid inches increased infected influence known large number less lime material means meat method milk minutes moisture nitrates nitrogen obtained occur odor ordinary organic matter ounces oxygen persons pipe poisonous polluted port present proteids quarantine removed salicylic acid salt sanitary sewage sodium soil solution specific gravity starch steam sterile substances sugar sulphur sulphuric acid supply surface temperature tion tube typhoid fever vegetable ventilation vessel volume weight yellow fever yield Zeitschrift für Hygiene