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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

Phin, John, 1830-1913 · 1912 · New York, D. Van Nostrand company · 23 pictures

John Phin's 1912 popular-science survey for New York publisher D. Van Nostrand, cataloguing perpetual motion schemes, circle-squaring, and other scientific impossibilities for general readers. Line engravings show overbalanced wheels with swinging weighted arms, looped tube siphons, geometric diagrams of inscribed and circumscribed polygons, and cranked machines in three-quarter view, all lettered A-D and usable as diagram vocabulary or mechanical ornament.

Scientific recreations · Geometry

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