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To Purify Dirty Water

Since, keep them out of the stomach. 1707. Το Prevent Infection. Let advises to place, in a large-sized cask, a false value, at least for cattle drinking, M. Meunier communication with the sick by actual conbottom perforated with some holes; and to tact be as far as possible avoided. Let the put on that bottom, first, clean pebbles, next, patient be lightly covered with the bed-clothes, well washed sand, then a layer of coarsely his chamber freed from all unnecessary articles granulated charcoal, and over all this a piece of furniture, and kept perfectly clean; the of canvas. sheets and body linens frequently changed shallow ditches after a shower of rain, may be The water, even that standing in and removed from the sick room, as well as poured into this filter, and thus become availall substances producing, or likely to produce , able for cattle-drinking, though it may not be any smell; and above all things let the cham- quite clear. ber and the adjoining apartments and passages be completely and freely ventilated by opening opposite doors and windows; for although contagion may be carried by the air, it becomes inert when, instead of being concentrated, it is sufficiently diffused. Bleaching. Under this head are