Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 20
eight. Rub one into the shape of a ball, and leave theother in its former condition. Then let both fall together.The rolled-up paper will reach the ground before theother piece ! /.■ STRENGTH. 3 TO BREAK A NUT WITH A FALLING KNIFE. Attach, lightly, a penknife to the upper framework ofa wooden door… … Fig. 3.—Experiment with Falling Bodies. beneath, at the ej^act spot on which the handle of thepenknife will strike the floor, the nut will be crackedimmediately. Yes; but how are we to determine the exact spot.you will say. I will tell you. , 4 FROPERTIES OF BODIES. Moisten the end of the…
Scientific recreations
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