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 94
madeof vitrified tile, laid so as to grade into the street sewer with thegreatest possible pitch. The sections are laid as true as condi-tions will permit and the joints are all carefully filled with cementmortar to prevent leakage. The object of the trap G is to preventsewer gas from entering the… … Next inside the trap is the vent pipe E, that extends to thesurface of the ground. In this case it is just outside the base- 84 MECHANICS OF THE HOUSEHOLD ment wall. The top is covered with a metal cap. Anotherarrangement often made to accomplish the same purpose isshown in Figs. 61 and 62, where a…
Heating · Lighting · Plumbing
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