Contributions from the Sanitary Research Laboratory and Sewage Experiment Station, Հատոր 6Massachusetts Institute of Technology, 1910 |
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acid Altona Andrewes and Horder available chlorine average bacilli bacteria bleaching powder Boonton Bronchitis broth Bubbly Creek causes cent CHART chemical chlorine Cholera infantum coli colonies cost coughing cultures curve decrease dextrose diarrhea diarrhea and gastro-intestinal discharge disinfection effluent epidemic equinus experiments fact feces fermented gastro-intestinal diseases germs Hamburg hypochlorite indicated infant mortality infection intestinal introduction of filtration Jersey City lactose Lawrence and Lowell less loud speaking Manchester mannit March Massachusetts meters method million gallons Mills-Reincke phenomenon minus typhoid component mouth spray mouth streptococci number of deaths observed period phenomena plant plates exposed pneumonia POLLUTION BY MOUTH population present prodigiosus public water-supply Pulmonary Tuberculosis purification raffinose reduction Reincke Reincke's Report reservoir river water Rockaway River samples sanitary sewage sewers showed slow sand filter stream Strept streptococci supply TABLE tests tion TOTAL DEATH total death-rate minus treatment tubercle bacilli typhoid fever U.S. Census Winslow ΙΟ
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Էջ 2 - O'er the sea and to the stars I send : " Ye who from my childhood up have calmed me, Calm me, ah, compose me to the end ! Ah, once more," I cried, "ye stars, ye waters, On my heart your mighty charm renew ; Still, still let me, as I gaze upon you, Feel my soul becoming vast like you...
Էջ 490 - Hazen clearly indicate that where one death from typhoid fever has been avoided by the use of a better water, a certain number of deaths, probably two or three, from other causes, have been avoided.
Էջ 492 - Supplies" (p. 177): The death-rate [of Hamburg] since the introduction of filtered water has been lower than ever before in the history of the city, but as it is thought that other conditions may help to this result no conclusions are as yet drawn. To this statement he appended in a later edition a table showing the deaths in Hamburg from typhoid fever and from all causes 1880-98, ie, before and after the introduction of filtration.
Էջ 3 - These conclusions were first reached as a result of investigations carried out at the Sanitary Research Laboratory of the Massachusetts Institute of Technology, with which the writer has the privilege to be associated.
Էջ 7 - Boonton, did not yield a water "pure and wholesome and free from pollution deleterious for drinking and domestic purposes.
Էջ 36 - These conclusions are in harmony with the conviction now generally gaining ground that aerial infection of any sort is a minor factor in the spread of zymotic disease...
Էջ 510 - Reduction in total death-rate in five cities with the introduction of a pure water supply ........................ 440 Normal reduction due to general improved sanitary conditions, computed from average of cities similarly situated, but with no radical change in water supply 137 Difference, being decrease in death-rate attributable to change in water supply . 303 Of this, the reduction in deaths from typhoid fever was ........ 71 Leaving deaths from other causes attributable to change in water supply...
Էջ 21 - Institute in the department of chemistry, and for some years assistant at the Lawrence experiment station of the Massachusetts State board of health, as research chemist and bacteriologist.