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 125por John Clough Thresh - 1901 - 527 páginasVista completa - Acerca de este libro
| 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... | |
| 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,... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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... | |
| 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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