Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 162
a depth of six inches, then a layer of sharp, clean sand six inchesthick, a layer of charcoal four inches thick, and a final layer of sandsix inches thick. tion of578. wihchCross 577. FILTERING CIS-TERN.—The rain-water iscaught in a flat filter basin withgravel and sand spread on aperforated floor… … *S6 HYDRAULIC POWER AND DEVICES.
Mechanical movements
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