 | Institution of Civil Engineers (Great Britain) - 1881 - 512 páginas
..." A good average quality of Calcutta, or shallow well-water, may be made by mixing six parts of our hydrant water with from one to two parts of the most concentrated Calcutta sewage." In 1879, 7,464,159 gallons of filtered water were supplied daily, to a population of 429,535; that... | |
 | Reginald Craufuird Sterndale - 1881 - 312 páginas
...scientific or otherwise, is to say, that a good average quality of Calcutta tank or shallow well-water may be made by mixing six parts of our present hydrant...the general run of Calcutta tank and well -waters." Can any testimony be stronger than this ? I opine not ; and we may take the tanks and wells of Calcutta... | |
 | 1881 - 566 páginas
..."A good average quality of Calcutta, or shallow well water, may be made by mixing six parts of our hydrant water with from one to two parts of the most concentrated Calcutta sewage." In 1879, 7,464,159 gallons of filtered water were supplied daily, to a population of 429,535; that... | |
 | 1881 - 514 páginas
..." A good average quality of Calcutta, or shallow well-water, may be made by mixing six parts of our hydrant water with from one to two parts of the most concentrated Calcutta sewage." In 1879, 7,464,159 gallons of filtered water were supplied daily, to a population of 429,535; that... | |
 | 1886 - 908 páginas
...'that a good average quality of tank-water may be made by mixing six parts of our present hydrant-water with from one to two parts of the most concentrated Calcutta sewage.' The cow-houses are dark, foul-smelling dens, crowded with gaunt, filth-caked cattle, which have barely... | |
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... adopted, instead of the refined one of Dr. Frankland, which was considered to take too much time, although more perfect. The quality of the supply on the old system is described by the Author thus : " A good average quality of Calcutta, or shallow... 