Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 283
roportion to the daily quantity. In this settling basin the water takes a somewhat winding but quiet course, while in the Jewell it is given a rapid whirling motion. The quantitative and bacterial results obtained with the me- chanical filters, tabulated by months, are given in Table No. 8. The… … Fig. 17. Worms Tile with Fittings. WORMS TILE FILTER. The process of water purification by the " Wormser" system, as tried at Pittsburgh, was two-fold : First a preliminary treatment by the addition of chloride of iron and removal of some matter by passage through broken stone, and, second, a…
Engineering
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