Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 15
he ribbon. Experiment 2.—Briskly rub the sealing-wax with the flanneland bring the wax nearthe suspended pith ball.The ball will be drawnto the wax. Bring thewax near one end of thebalanced straw; it maybe made to follow thewax round and round.Bring it near smallscraps of paper, shredsof cotton and… … Fig. 120. GENERAL VIEW. 185 Experiment 4.—Make a light paper hoop or an empty egg-shellroll after your rod. (See § 332 h.) Experiment 5.—Place an egg in a wine-glass or an egg-cup,LTpon the egg, balance a yard-stick or a common lath. The end ofthe stick may be made to follow therubbed rod round and…
Electricity · Magnetism
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