Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 50
rcury in the vulcanitecup. The wheel, magnet, and parts connected therewith are THE GYROSCOlE. 27 free to move in any direction on the point of the stand-ard. Wlien two large or four small Bunsen cells are con-nected with the gyroscope, the wheel revolves with enor-mous velocity, and upon letting… … Electrical Gjroscope. The wheel, besides rotating rapidly on its axis, sets up aslow rotation about the pointed standard in the direction inwhich the under side of the wheel is moving. By attaching the arm and counterbalance shown in theengraving, so as to exactly balance the wheel and magnetson…
Physics · Lantern projection · Electric apparatus and appliances
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