Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 409
t and walnut-wood in contact. With such a pile, and a leaf ofgrass as a conductor, convulsions in the muscles of adead frog are said to have been produced. Otlierexperimentalists have formed voltaic piles whollyof animal substances. A perfectly dry voltaic pile, knownDescribe Zam- - ... ^ „ , .,… … GALVANISM. 405 be packed together in a glass tube, so that their similar metallic faces shallall look the same way, and be pressed tightly together at each end by metallicplates, it will be found that one extremity of the pile is positive and theother negative. Such a series will last more than…
Physics · Science · Technology
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