The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 315
showed that an electric current was passing from the metalin the pond, through the earth to the metal in the moat, returning backagain by the wire. The current was of considerable energy, and this experi-ment was repeated a number of times with unvarying success. Similar experiments upon a larger… … A surface of zinc (Z), was buried iu the moist earth in Hyde Park, and, atrather more than a mile distance, a copper surface, C, was similarly deposited;the two metals were connected by a wire, suspended on the railing, and onplacing a galvanometer, G, in the circuit, an electric current was…
Architecture · Civil engineering · Science
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