Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 70
yon a small scale in the man-ner illustrated in Fig. 32.The ball, which must bea heavy one, is suspend-ed by a very fine wire ofconsiderable length, sayfrom forty to fifty feet. .Itmust be started very care-fully to secure the desired result. To start it, a fine wire istied around the equator of… … Pendulum with Audible Beats. 48 EXPERIMENTAL SCIENCE. In the coursea slis that of thevibration remains change Fig. of a few minutes there will appear to be of its plane of vibration. The case is like gyroscope already described. The plane of really constant, but the rotation of the earth causes an…
Physics · Lantern projection · Electric apparatus and appliances
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