 | 494 pages
...tide ; but the observations are sufficiently uniform to warrant us in concluding, that the water is iu the purest state at low tide, and the most loaded...effectually by a mixture of sand and charcoal.' The Commissioners report, that the water in the London district has suffered deterioration within the last... | |
 | Industrial arts - 1828 - 942 pages
...preparation of food. The greatest " part of this additional matter appears to be only mecha" nically suspended in it, and separates by mere rest. It "...examination of the Water taken from the London Dock showed that it did not contain the smallest appreciable quantity of copper. We have also endeavoured... | |
 | 1828 - 918 pages
...observations are sufficiently uniform to warrant us in concluding, that the water is in the purest slate at low tide, and the most loaded with extraneous matter...respecting the state and purity of the Thames water, aud its general fitness for domestic use ; and from such inquiries it appears proved to us, that the... | |
 | 1828 - 532 pages
...ebb. It would appear, however, that a very considerable part, if not the whole, of this •xtraneous matter may be removed by filtration through sand,...examination of the water taken from the London Dock, showed that it did not contain the smallest appreciable quantity of copper. We have also endeavoured... | |
 | English literature - 1829 - 506 pages
...circumstances of the tide ; but the observations are sufficiently uniform to warrant the Commissioners in concluding that the water is in the purest state...examination of the water taken from the London Dock showed that it did not contain the smallest appreciable quantity of copper. From various inquiries... | |
 | John Wade - Courts - 1829 - 426 pages
...the Thames is not held in a state of solution, but only mechanically combined, and may be separated by filtration through sand ; and still more effectually by a mixture of sand and charcoal. The argument founded on the disappearance of fish from the river, that the water had undergone a serious... | |
 | William Newton, Charles Frederick Partington - Industrial arts - 1831 - 406 pages
...tide, and the most " loaded with extraneous matter at half ebb. It would " appear, however, that a considerable part, if not the " whole of this extraneous...effectually by a " mixture of sand and charcoal." A consideration of these facts, and of the most simple method of obtaining a supply of pure water,... | |
 | William Newton - 1831 - 406 pages
...tide, and the most " loaded with extraneous matter at half ebb. It would " appear, however, that a considerable part, if not the " whole of this extraneous...effectually by a " mixture of sand and charcoal." A consideration of these facts, and of the most simple method of obtaining a supply of pure water,... | |
 | Luke Herbert - Industrial arts - 1832 - 372 pages
...low tide, and the most loaded with extraneous matter at half ebb. It would appear, however, that a considerable part, if not the whole, of this extraneous...more effectually by a mixture of sand and charcoal." From a consideration of the above facts, I feel no difficulty in coming to the conclusion, that separate... | |
 | James Bell - Geography - 1832 - 812 pages
...loaded with extraneous matter at half-ebb. It would appear, however, that a very considerable portion, if not the whole of this extraneous matter, may be...filtration through sand, and still more effectually by charcoal and sand. Edifices.'] A bare enumeration of the principal edifices in London would occupy... | |
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Thames, as mechanically mixed with it, we may " conceive that a variety of incidental circumstances will " affect its quantity in the same situation and under the " same circumstances of the tide ; but the observations are " sufficiently uniform to warrant... 
