Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 184
by reason of air and do their work only in itspresence and the anaerobic or those that work in the absence ofair. In the action of the sewage-disposal plant both kinds ofbacteria are at work. If, in the final stage where the sewagepasses into the filter, air can be carried into the earth the… … Fig. 152.—Section of the septic tank in Fig. 151 showing details of construction. tank the disturbance caused by the incoming water forces someof the undigested matter into the outlet and being carried intothe filter bed it will be deposited at the first opportunity. Thiswill cause the filter bed…
Heating · Lighting · Plumbing
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