. Public health and preventive medicine. nd have a floor raised above the ground-level and slopingtowards the door. The midden pit should have impermeable walls, and afloor made of brick set in cement, and must be protected from rain and snow. It must not be too large, a capa-ashes I city f 8 cubic ft. sufficing, otherwise the contents are allowedto lie too long. The floor of thisreceptacle should be smooth, andabove the level of the adjoiningground. Means of access mustbe provided for scavenging, whichshould be done every week, andat a time when no nuisance willhe produced. In some priviesthe
. Public health and preventive medicine. nd have a floor raised above the ground-level and slopingtowards the door. The midden pit should have impermeable walls, and afloor made of brick set in cement, and must be protected from rain and snow. It must not be too large, a capa-ashes I city f 8 cubic ft. sufficing, otherwise the contents are allowedto lie too long. The floor of thisreceptacle should be smooth, andabove the level of the adjoiningground. Means of access mustbe provided for scavenging, whichshould be done every week, andat a time when no nuisance willhe produced. In some priviesthe fa?ces are unmixed withashes, but it is better to have theselatter added, as they help to drythe deposit. They may be thrown in on the faeces by raising the seat lid, ordown a shoot by pulling up a handle. They may have been previously siftedby means of a grating covering a pit under the kitchen fireplace. They mayalso he sifted in the closet itself (Fig. 158). Morells Riddled Ash System.—This is a dry closet with a permanent. door torremoving, pail WHtM FULL Fig. 158 3<H SANITARY ENGINEERING receptacle wherein sifted ashes fall upon the excreta, the larger ashes beingautomatically rejected. Earth Closets (Moules system).—By automatic action or by raising ahandle, earth is added to the deposit each time the close! is used. One anda half lb. of clear dry sifted earth are thrown into the receptacle, which may be movable or non-movable. <1 1 loamy soil or brick earth is the best, and acts as an excellent deodorant and absorbent of both faeces and system acts well for isolated houses. The earth composl can be driedand used again and again, finally being restored to the land, having altered surprisingly little in the process. < j/a rcoa l Closets.—Charcoalmade from [teat or seaweed driesand deodorises excreta, and is veryeconomical. Pail System (Fig. 159).— Galvanised iron pails or w len tubs with well-fitting lids are amodification of the midden system.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectprevent, bookyear1902
