The Purification of the Water-Supply of the Lawrence Military Asylum, Sanawar, by Means of Bleaching Powder
نویسنده
چکیده
J This note on the purification of the watersupply of the Lawrence Military Asylum, Sanawar, may prove useful to medical officers, by reminding them of the ease with which even very large quantities of water can be rendered fit for drinking purposes at a very low cost, and with the most primitive of apparatus, by means of bleaching powder. The water-supply of the Asylum is derived from a spring ; which drying up in the summer months, has to be supplemented by rain-water. The Asylum has, therefore, to depend upon large reservoirs for the maintenance of an adequate supply. The main drinking water-supply of the Asylum is stored in a large, roofed, masonry reservoir, holding three lakhs of gallons. For the double purpose of ensuring economy and. of regulating the supply, it was the custom to draw off a few
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