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" Commissioners, after a lengthy investigation, came to the conclusion that, "where the chief sanitary conditions prevail with tolerable uniformity, the rate of mortality is practically uninfluenced by the softness or hardness of the water supplied to different... "
Water and Water Supplies - Página 125
por John Clough Thresh - 1901 - 527 páginas
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Weekly return of births and deaths (infectious diseases, weather) in London ...

Registrar-general - 1876 - 606 páginas
...supplied with hard water, the average mortality was at the rate of 20 '4 per 1000 per annum. Thus, where the chief sanitary conditions prevail with tolerable...mortality in the different towns of the same division. It appears, therefore, that soft and hard (but not excessively hard) waters, if equally free from deleterious...
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The Law Relating to Gas and Water

William Henry Michael - 1877 - 936 páginas
...Gravitation and pumping schemes. Going into another district. Commissioners, the commissioners say, "In towns where the chief sanitary conditions prevail with tolerable uniformity, the rate of mortality is uninfluenced by the softness or hardness of the water supplied to the inhabitants." They further say,...
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Report of the Board of Health to the honorable City Council of the City of ...

1877 - 268 páginas
...waters, if equally free from deleterious organic substances, are equally wholesome," and that in towns where the chief sanitary conditions prevail with tolerable uniformity, the rate of mortality is uninfluenced by the softness or hardness of the water supplied to the inhabitants. It is the organic...
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Water Analysis for Sanitary Purposes, with Hints for the Interpretation of ...

Sir Edward Frankland - 1880 - 164 páginas
...districts supplied with hard water, the average mortality was at the rate of 20.4 per 1000 per annum. Thus, where the chief sanitary conditions prevail with tolerable...divisions varies far less than the actual mortality of the different towns -of the same division. We are, therefore, of the opinion that, while waters...
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Water Analysis for Sanitary Purposes: With Hints for the Interpretation of ...

Sir Edward Frankland - 1880 - 156 páginas
...hard waters, if equally free from deleterious organic substances, arc equally wholesome. 2. In towns where the chief sanitary conditions prevail with tolerable uniformity, the rate of mortality is uninfluenced by the softness or hardness of the water supplied to the inhabitants. V. As to the Superiority...
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Third Annual Report on the Geological Survey

New Jersey. Geological survey, 1863-1915 - 1882 - 222 páginas
...hard waters, if equally free from deleterious organic substances, are equally wholesome. " 2. In towns where the chief sanitary conditions prevail with tolerable uniformity, the rate of mortality is uninfluenced by the softness or hardness of the water supplied to the inhabitants. " V. As to the Superiority...
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Annual Report

South Carolina Agricultural Experiment Station - 1890 - 530 páginas
...shows that calculous affections are no more common in hard than in soft water districts, and that " the rate of mortality is practically uninfluenced by the softness or hardness of the svater." Hard waters are objectionable for washing purposes and for boilers, and possibly in certain...
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Encyclopaedia medica v. 13, 1903, Volumen13

1903 - 618 páginas
...Commission on Water-Supply went fully into the question of the effect of hard and soft water upon health, and concluded that " where the chief sanitary conditions...hardness of the water supplied to the different towns." The opinion that " soft water " increases the tendency to rickets and " hard water " to the production...
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The Examination of Waters and Water Supplies

John Clough Thresh - 1904 - 484 páginas
...opinions. The River Pollution Commissioners, after a lengthy investigation, came to the conclusion that, ' where the chief sanitary conditions prevail...the softness or hardness of the water supplied to different, towns, and the average rate of mortality in the different water divisions varies far less...
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Report of Professor George H. Cook Upon the Geological Survey of New Jersey ...

New Jersey Geological Survey, 1863-1915 - 1882 - 216 páginas
...hard waters, if equally free from deleterious organic substances, are equally wholesome. " 2. In towns where the chief sanitary conditions prevail with tolerable uniformity, the rate of mortality is uninfluenced by the softness or hardness of the water supplied to the inhabitants. " V. As to the Superiority...
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