Historical sketch of the electric telegraph : including its rise and progress in the United States (1852)
Jones, Alexander, 1802-1863 · New York : G.P. Putnam · leaf 30
s is used in a common electricalmachine; second, by the solution or decomposition of metalsin acids—two metals being usually employed, of opposite con-ducting qualities, such as zinc and platina, immersed in dilutedsulphuric or nitric acids. 2. Electricity produced by friction is called… … A battery iurmeJ of twelve cups ou the plan of Mr. Grove.P. Positive polo. N. Negative pole. W. Wire. tina may be used); in a row, one end terminating in a zinc, andthe other in a platina or copper plate, with the cups of acid fortheir immersion, is called a ^- Battery^ A battery is formed 14…
Telegraph
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