Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 266
rent is flowing.Hence they are known as open - circuit batteries.For ordinary household pur-poses they may last a year ortwo without any replenishingof parts. Tlie Daniell cell introduces an entirely new method ofpreventing polarization. A copper plate is immersed in asolution of copper sulphate,… … Fig. 148.—The Leclanche cell. 244 PHYSICS but instead of collecting upon the copper plate it decom-poses the copper sulphate, forming H2S04 and setting thecopper free which is deposited upon the copper plate. Thecopper, being electro-negatiye, does not change the char-acter of the negative element,…
Physics
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