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Scientific American, Vol. 18, No. 3 (1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 18, No. 3 (1868), 1868, leaf 7
ercentage of useful effect equivalent to 90 per cent of the the fool’s paradise of laziness. He is obliged to work now; to the feet by a clumsy arrangement of straps, buckles, water expended. This, I think you will agree, is a remarka- but he looks forward to the time when he will not be under… … we think, he has fully car- actually lifted and the friction of the apparatus employed ried out. , carefully measured. My experiments extended througha SKATE. In the engravings, A FORBES number of trials with different weights and the result given represents the heel clip, with corrugated…

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