Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 309
tric light carbons.Z and C, C are inserted firmlyinto a short bar of wood andconnected by wires as shownin the figure. The fluid may be prepared by dissolving2 oz. of potassic bichromate in a pint of water and addingcarefully 2 ozs. by weight of sulphuric acid. The zincshould be kept amalgamated,… … theexperimentsin this book,except that ofproducing anarc light (Ex-periment 3, page 321), a battery of two or three of the THE ELECTRIC CURRENT. 301 cells described above will be found sufficient. Fig. 242shows how these cells may be combined to form a battery,the same piece of wood being used to…
Physics
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