Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 312
ffect upon the galvanoscope ?What will be the effect when a silver fork is substituted for thesteel one, the steel knife being retained 1 Why ? 3. Place silver on the tongue, and zinc under it, so that the twopieces touch. What occurs ? Why ? 4. Procure a metal cartridge shell (those used in… … being careful that the zinc does not touch the metal of the shell atany point. Attach one end of another copper wire to the zinc, andconnect the free ends of the two wires to the binding posts of anelectric bell. Nearly fill the shell with dilute sulphuric acid. What takes place ? Explain the…
Physics
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