Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 110
rket, convenient to use because oftheir absence of liquid. They employzinc and carbon as electrodes, the activemixture consisting of a combination indust-like form of zinc oxide i part, salammoniac i part, chloride of zinc i part,water 2 parts, and plaster 3 parts. Thesecells can be purchased in… … PRIMARY AND STORAGE BATTERIES 89 more than the Leclanche cells to maintain, as their Hfe issomewhat shorter, only about one year; but the differenceis so slight, considering the time necessary to recharge theLeclanche cells, that the writer uses them exclusively.Their e. m. f. varies from 1.2 to…
Electricity · Electrical engineering
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