Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 47
or from the copper to the zinc plate. Thiselectric pressure, or difference of potential, is expressed in aunit called a volt, after Alessandro Volta, an Italianscientist, who discovered the voltaic cell. This cell is some-times called a galvanic cell, after Voltas contemporary,Alvosio Galvani. If… … FlG. 35 Fia. 36 Figs. 35 and 3G.—Primary battery cells. Electric Pressure and Temperature.—An analogy of tliisdifference of electric pressure is found in heat. If we wishheat to flow from one body into anotlier, a difference of Heat. Insulator
Electric machinery
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