. Creamery butter-making. Butter. SEWAGE DISPOSAL 189 both the creamery and the dwelling is to run it into a septic tank (see Fig. 44, designed by the author) and from this into a net-work of tile laid underground where it will irrigate and fertilize the soil. Object of Septic Tank. The main purpose of the tank, as its name indicates, is to thoroughly decompose all organic matter entering it. This is accomplished by numerous species of bacteria, and the tank may be properly designated as a germ incubator. Where the z > Wastewater From COOUERETCr AtR Inlet M INUEX fi-""lP.
. Creamery butter-making. Butter. SEWAGE DISPOSAL 189 both the creamery and the dwelling is to run it into a septic tank (see Fig. 44, designed by the author) and from this into a net-work of tile laid underground where it will irrigate and fertilize the soil. Object of Septic Tank. The main purpose of the tank, as its name indicates, is to thoroughly decompose all organic matter entering it. This is accomplished by numerous species of bacteria, and the tank may be properly designated as a germ incubator. Where the z > Wastewater From COOUERETCr AtR Inlet M INUEX fi-""lP. Fig. 44.—Septic Tank. sewage is emptied into underground tile, the tank also serves as a storage, discharging its contents intermittently. This is necessary to force the liquid to all points of the system and to allow time for each discharge to soak away before the appearance of the next. Construction of Tank. The general plan of construc- tion is illustrated in Figs. 44 and 45. The tank is located in the ground with the top within a foot or two of the surface. For durability it is preferably constructed of brick, stone or concrete. The tank is so constructed as to. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Michels, John, 1875-. Milwaukee, Wis. , The author
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbutter, bookyear1911
