Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 52
d under it. This splendid experiment was subsequentlyrepeated at the Capitol at Washington, and at other places. Soon after the pendulum experiment, Foucault, to illus-trate the same thing, constructed a gyroscope which was amodification of Bohnenbergers machine. This gyroscopereceived a rotating… … Gyroscope for shovTing the Earths Rotation. 30 EXPERIMENTAL SCIENCE. To ftirnish a more practicable means of making visiblethe diurnal movement of the earth, the action of the gyro-scope is made continuous by applying electricity as a pro-pelling power. In Fig. 19 (which represents the machine…
Physics · Lantern projection · Electric apparatus and appliances
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