Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 418
ll, we set the top in motion, andas the string unrolls it falls on the table, where it willcontinue its rotation for some time. The top representedIS constructed so that the discs may be firmly pressed bythe stem, which is necessary in experiments for demon- SPINNING TOPS. 6l strating Newtons… … with a single colour ; and if two or more are superposed,with their slits placed one over the other, we obtain sectors,the size of which we may vary at will, so that we canmodify in a continuous manner the proportions of thecolours. The most perfect construction is that of Busolds 62 VISION.…
Scientific recreations
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