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" ... in town districts, even a few miles distant from a town, is not a pure water for drinking ; and that if it could be got direct from the clouds in large quantities, we must still resort to collecting it on the ground in order to get it pure. The impurities... "
Water and Water Supply - Página 33
por William Henry Corfield - 1890 - 144 páginas
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Lectures. Water supply, sewerage and sewage utilization

William Henry Corfield - 1874
...ground in order to get it pure. The impurities of rain are completely removed by filtration throogh the soil ; when that is done, there is no more nauseous...opinion, that rain collected directly from the air cannut, at any rate near to towns, afford a proper water supply. However, since rain is the source...
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Sanitary engineering, lectures, Volumen88

John Bailey Denton - 1877
...is a consolation to know, however, that in the opinion of so high an authority as Dr. Angus Smith " the impurities of rain are completely removed by filtration through the soil" (Air and Rain), and that in the judgment of the Royal Commission on Water Supply (1869), perfect filtration,...
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Sanitary Engineering: A Series of Lectures Given Before the School of ...

John Bailey Denton - 1877 - 429 páginas
...is a consolation to know, however, that in the opinion of so high an authority as Dr. Angus Smith " the impurities of rain are completely removed by filtration through the soil" (Air and Rain), and that in the judgment of the Royal Commission on Water Supply (1869), perfect filtration,...
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Water Engineering: A Practical Treatise on the Measurement, Storage ...

Charles Slagg - 1888 - 309 páginas
...in large quantities wo must still resort to collecting it on the ground in order to get it pure; for the impurities of rain are completely removed by filtration through the soil: when that is done there is no longer any nauseous taste of soil or soot. With respect to the wholesomencss of water, one question...
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Acid Deposition: Proceedings of the CEC Workshop Organized as Part of the ...

S. Beilke, A.J. Elshout - 1983 - 235 páginas
...order to get it pure. The impurities of rain are completely removed by filtration through the soilj when that is done, there is no more nauseous taste of oil or of soot, and it becomes perfectly tranparent. The presence of free sulfuric acid in the air sufficiently explains the fading of colours...
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