The seven follies of science; to which is added a small budget of interesting paradoxes, illusions, marvels, and popular fallacies. A popular account of the most famous scientific impossibilities and the attempts which have been made to solve them. With numerous illustrations (1912)
Phin, John, 1830-1913 · New York, D. Van Nostrand company · leaf 65
nd screw to re-volve, until, by the proper inclination of the floats, themercury falls into the receiver F, from whence it again fallsby its spout into the cistern G, where the constant revolu-tion of the screw takes it up again as before. 5» THE SEVEN FOLLIES OF SCIENCE He then suggests some… … Fig. II. But we give the description in the language of the inventor,as a fair type of this class of perpetual-motion machines. In the year 1790 a Doctor Schweirs took out a patentfor a machine in which small metal balls were used insteadof a liquid, and they were raised by a sort of chain…
Scientific recreations · Geometry
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