Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 46
ntact at the end of the egg, and the plane surface onwhich it rests. We will give some illustrations of this. TO BALANCE A PENCIL ON ITS POINT. The arrangement of the pencil and the knife, the bladeof which is buried in the wood, is held in equilibrium atthe point of the finger, becai*se the centre… … Fig. 21.—A Pencil balanced on its Point another, so that the pair shall form a certain angle. Placethem on a table, angle upwards, tent fashion ; and let athird match rest against them as in Fig. 22. Now all isready for the experiment, Take a fourth match, and 30 EQUILIBRIUM OF BODIES. handing It…
Scientific recreations
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