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 380
water and on its purity depends, in a great measure, its actionand length of life. The electrolyte is made of a definite densitywhich is expressed as its specific gravity. When fully chargedthe electrolyte will test 1220 by the hydrometer. That is, itwill be 1.220 heavier than water. When… … 370 MECHANICS OF THE HOUSEHOLD charge and discharge of the cell. The density of an electrolytemay be determined by a hydrometer such as Fig. 261. This is anordinary glass hydrometer such as is used for determining thedensity of fluids, enclosed in a glass tube, to which is attacheda rubber bulb.…
Heating · Lighting · Plumbing
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