Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 387
For the experiment illustrated, the rubber strips wereseventeen feet long. A manufacturer in handling some of the rubber threadsused in making suspenders and other elastic webs noticed 364 EXPERIMENTAL SCIENXE. that the threads at times repelled each other. The repul-sion was naturally attributed… … can office, and were electrified by simply brushing them overwith a feather duster. The threads became more and morediyergent as the electrification proceeded, until it finals-became impossible to approach the threads without becom-ing entangled in them. FRICTIONAL ELECTRICITY. 365 Upon gathering…
Physics · Lantern projection · Electric apparatus and appliances
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