Ball, W. W. Rouse (Walter William Rouse), 1850-1925 · London, Macmillan · leaf 116
been described in H. Dircks PerpeLaum Mobile,London, 1861, 2ud edition, 1870. CH. V] MECHANICAL llECIlEATlO^^iS 95 the product of the weight of the bullet and its distance fromthe vertical through G. The idea of the constructors of such machines was that, asthe bullet in any compartment would roll… … the moments of the weights of the bullets on the right wouldbe greater than the sum of the moments of those on the left.Thus the wheels would turn continually in the same directionas the hands of a watch. The fallacy in the argument isobvious. Another large group of machines for producing…
Geometry · Cryptography · Ciphers
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