 | Frederick Eugene Turneaure - 1901 - 786 Seiten
...purification,* but are admirably adapted for schools, garrisons, prisons, or hotels as well as for private use. Other types of household filters, such as those constructed...germ-life they possess for the most part but little merit. 568. Sterilization and Distillation. — Not infrequently a public supply becomes suspicious and the... | |
 | Frederick Eugene Turneaure, Harry Luman Russell - 1908 - 854 Seiten
...often used for city supplies,* but are admirably adapted for schools and other public institutions. Other types of household filters, such as those constructed...germ-life they possess for the most part but little merit. f 558. Aeration. — Attempts have often been made to purify water of organic matter by aeration. The... | |
 | Frederick Eugene Turneaure, Harry Luman Russell - 1908 - 836 Seiten
...often used for city supplies,* but are admirably adapted for schools and other public institutions. Other types of household filters, such as those constructed...germ-life they possess for the most part but little merit.f 558. Aeration. — Attempts have often been made to purify water of organic matter by aeration.... | |
 | American School of Correspondence - 1908 - 554 Seiten
...purification, but are admirably adapted for schools, garrisons, prisons, or hotels as well as for private use. Other types of household filters, such as those constructed...as quite satisfactory, but as a means of removing germ life they possess for the most part but little merit. Another method on which even greater reliance... | |
 | Frederick Eugene Turneaure - 1907 - 168 Seiten
...purification, but are admirably adapted for schools, garrisons, prisons, or hotels as well as for private use. Other types of household filters, such as those constructed...as quite satisfactory, but as a means of removing germ life they possess for the most part but little merit. Another method on which even greater reliance... | |
 | 1909 - 540 Seiten
...purification, but are admirably adapted for schools, garrisons, prisons, or hotels as well as for private use. Other types of household filters, such as those constructed...popular standpoint of purity, which is generally the pnxluction of a clear water, many of the filters would be regarded as quite satisfactory, but as a... | |
 | Frederick Eugene Turneaure - 1909 - 542 Seiten
...purification, but are admirably adapted for schools, garrisons, prisons, or hotels as well as for private use. Other types of household filters, such as those constructed...charcoal, or asbestos, have been on the market for manv years. Judged from the popular standpoint of purity, which is generally the production of a clear... | |
 | 1909 - 412 Seiten
...purification, but are admirably adapted for schools, garrisons, prisons, or hotels as well as for private use. Other types of household filters, such as those constructed...charcoal, or asbestos, have been on the market for manv years. Judged from the popular standpoint of purity, which is generally the production of a clear... | |
 | 1920 - 458 Seiten
...purification, but are admirably adapted for schools, garrisons, prisons, or hotels, as well as for private use. Other types of household filters, such as those constructed...as quite satisfactory, but as a means of removing germ life they possess for the most part but little merit. 179 PARSONS TRENCH EXCAVATOR CUTTING A 15-FOOT... | |
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... lodgment in the pores. In this way not only is the sterility of the filtrate maintained, but the yield of filtered water is increased. / Filters of this class are not often used for municipal purification, but are admirably adapted for schools, garrisons,... 