 | Allen Hazen - 1895 - 228 Seiten
...city in the German empire using sand-filtered water is requested to make a quarterly report of their working results, especially of the bacterial character...after filtration, to the Imperial Board of Health (Kaiserlichen Gesundheitsamt), which will keep itself in communication with the commission chosen by... | |
 | 1896 - 742 Seiten
...city in the German empire using sand-filtered water, is requested to make a quarterly report of their working results, especially of the bacterial character...after filtration, to the Imperial Board of Health, which will keep itself in communication with the commission chosen by the water works engineers in... | |
 | Institution of Civil Engineers (Great Britain) - 1897 - 554 Seiten
...refilled, the sand below the surface, as far as it is discoloured, should be removed before bringing on the new sand. 16. Every city in the German empire using...establishment of a permanent inspection of public waterworks, and if so, under what conditions, will be best decided after such quarterly reports have... | |
 | Thomas Hames Pearmain, Cresacre George Moor - 1897 - 370 Seiten
...in the filter, and should make the superintendent more attentive to the possible causes of it.Every city in the German empire using sand-filtered water...after filtration, to the Imperial Board of Health. Incubation of Original Sample. It has been stated above that the bacteria found in most natural, unpolluted... | |
 | Thomas Hames Pearmain, Cresacre George Moor - 1898 - 554 Seiten
...disturbance in the filter, and should make the superintendent more attentive to the possible causes of it. Every city in the German empire using sand-filtered...after filtration, to the Imperial Board of Health. Detection of Sewage Pollution. — With reference to the general question of the bacteriological examination... | |
 | William Joseph Dibdin - 1903 - 478 Seiten
...removed before bringing on the new sand. (16.) Every city in the German Empire using sand- filtered water is required to make a quarterly report of its...establishment of a permanent inspection of public waterworks, and if so, under what conditions, will be best decided after such quarterly reports have... | |
 | Royal Society of New South Wales - 1904 - 636 Seiten
...before bringing on the new sand. 16. Every city in the German Empire using sand-flltered water, ia required to make a quarterly report of its working...Imperial Board of Health. 17. The question as to the establishmeut of a permanent inspection of public waterworks, and if so, under what conditions, will... | |
 | Ontario. Department of Health - 1907 - 250 Seiten
...refilled, the sand below th'e surface, as far as it is discolored, should be removed before bringing on the new sand. (16) Every city in the German Empire using...conditions, will be best decided after such quarterly reports have been furnished over some period of time. The Care of the Consumptive and Municipal Responsibility.... | |
 | 1897 - 824 Seiten
...refilled, the sand below the surface, as far as it is discoloured, should be removed before bringing on the new sand. (16) Every city in the German Empire using...establishment of a permanent inspection of public waterworks, and if so, under what conditions, will be best decided after such quarterly reports have... | |
 | Royal Society of New South Wales - 1905 - 692 Seiten
...re-filled, the sand below the surface as far as it is discoloured should be removed before bringing in new sand. 16. Every city in the German Empire, using...after filtration to the Imperial Board of Health. I have only quoted some of the rules, the full text can obtained from "Purification of Sewage and Water,"... | |
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... should be removed before bringing on the new sand. (16) Every city in the German Empire using sand-filtered water is required to make a quarterly report of its working results, especially of the bacterial character of the water before and after filtration,... 