Digest of comments on The pharmacopia of the United States of America and on the National formulary .. 1905-1922 . I 585 liahle to pollution by having steps leading down to the waters ndcr such conditions the danger of introducing impurities from thesoles of dirty shoes is of course apparent. Unless a spring has a tight coping on all sides and is providedV. ilh a tight cover and spout, so that the water does not have to be(lipped up, it falls short of the requirements of a sanitary (ir convenience the water from the spring should be conducted byl)i|ie to the house, dairy, and ba


Digest of comments on The pharmacopia of the United States of America and on the National formulary .. 1905-1922 . I 585 liahle to pollution by having steps leading down to the waters ndcr such conditions the danger of introducing impurities from thesoles of dirty shoes is of course apparent. Unless a spring has a tight coping on all sides and is providedV. ilh a tight cover and spout, so that the water does not have to be(lipped up, it falls short of the requirements of a sanitary (ir convenience the water from the spring should be conducted byl)i|ie to the house, dairy, and barn. In the recent investigation but few springs were found wliich werel)iiiperly protected. Some of them had cement or tight stone coping(in tlu-ee sides with steps leacUng down on the fourth side. Somebad a tight coping on all sides, but the coping was level with the groundand the water thus exposed to pollution. But in many cases thewater ran out of fissures in the rock into a natural or artificial l)asin,or l)ubbled up from the bottom of such a basin. In these springsno special care was exercised to guard


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Keywords: ., bookcentury1900, bookdecade1900, bookp, booksubjectpharmacopoeias