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Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices"; (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing company · leaf 378

An illustration from Mechanical applicances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical mvements, powers and devices";, 1917, leaf 378
epresents a tray, which forms an annular path for the ball B. Thistray is made of sheet metal, or any other suitable material, and its diam-eter is about four times that of the ball B. It is supported in its centerby a rod, which connects, by a ball-and-socket joint, C, with a platform,D, so that… … 374 PERPETUAL MOTION.

Mechanical movements

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