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 58
always a proportionately smaller number ofthem on that side on which they have the greatest power,so that these circumstances precisely counterbalance eachother. He then gives the illustration (Fig. 7), shown on thepreceding page, of a wheel supposed to be capable of pro-ducing a perpetual motion;… … Fig. 8. A more elaborate arrangement embodying the same ideais figured and described by Ozanam. The machine, whichis shown in Fig. 8, consists of a kind of wheel formed ofsix or eight arms, proceeding from a center where the axisof motion is placed. Each of these arms is furnished witha receptacle…
Scientific recreations · Geometry
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