Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 54
hemagnets is realized, and when the binding posts are con- THE GYROSCOPE. 31 nected with four or six Bunsen cells, the wheel rotates at ahigh velocity. The wheel will maintain its plane of rotation, and whenit is brought into the plane of the meridian, the index willappear to move toward the right… … Electrical Gyroscope. north is up and east is left, the hourly deviation is 15°rightward, or zvcstward. At the equator there is, of course,no deviation. It makes no difference whether the index p(jints north-ward or southward, its apparent motion is always toward theright, thus affording visible…
Physics · Lantern projection · Electric apparatus and appliances
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