Text-book of hygiene; a comprehensive treatise on the principles and practice of preventive medicine from an American stand-point . the hopper to wash down the fseces into the soil-pipe, so, inthe usual form of the earth-closet, raising the handle projects aquantity of earth upon the evacuated faeces and urine. By thismeans the excreta are rendered entirely inodorous and contents of the closets may be collected into a heap in adry place. In the course of a few months the organic constit-uents have become oxidized, and the earth may be used overagain for a number of times. A well-known
Text-book of hygiene; a comprehensive treatise on the principles and practice of preventive medicine from an American stand-point . the hopper to wash down the fseces into the soil-pipe, so, inthe usual form of the earth-closet, raising the handle projects aquantity of earth upon the evacuated faeces and urine. By thismeans the excreta are rendered entirely inodorous and contents of the closets may be collected into a heap in adry place. In the course of a few months the organic constit-uents have become oxidized, and the earth may be used overagain for a number of times. A well-known sanitarian states 142 TEXT-BOOK OF HYGIENE. tliat he has used sifted anthracite coal-ashes ten or twelve timesover in the course of three years. During this time the materialunder no circumstances gave any indication that it was any-thing but ashes, with a slight admixture of garden soil.^ Dr. Buchanan, of England, comparing the advantages ofthe earth-closet with those of the water-closet, says: It ischeaper in original cost; it requires less repairs; it is not in-jured by frost; it is not damaged by improper substances being.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjecthygiene, bookyear1890
