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 165
med by a depres-sion in the cistern floor. A section of tile is placed on the floor, 154 MECHANICS OF THE HOUSEHOLD and around it is filled the filtering material of gravel and sand.Filters of this kind are often filled with charcoal or other materialsthat are expected to purify the water. They are… … Fig. 139.—Cross-section of a concrete cistern, containing a sand filter. THE HYDRAULIC RAM In places where its use is possible, the hydraulic ram is a mostconvenient and inexpensive means of mechanical water supply.It is simple in construction, requires very little attention andits cost of…
Heating · Lighting · Plumbing
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