Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1910)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N. W. Henley publishing company · leaf 373
and causethe apparatus to make a quarter revolu-tion. Now the latter can not take placewithout the rod. A, B, which was situatedvertically, assuming a horizontal position, and then the balls, A and B,are to each other as were the balls D, C. One must overcome theother and cause the apparatus to… … PERPETUAL MOTION. 371
Mechanical movements
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