Hoffmann, Professor, 1839-1919 · London : Frederick Warne · leaf 399
Fig. 502. assume the shape of b in the same figure, and will fit eitherone of the three holes. No. XXL—The Balanced Pencil. Solution. Stick the blade of the penknife (which should be a smalland light one) into the pencil near the point, in the directionof its longer axis. Then partially close the… … cise angle must be ascertained by experiment, as it will varywith the length and weight of the two articles. When youhave discovered it, the pencil may be balanced, as shown inFig. 503, on the tip of the finger. No. XXII.—To Balance an Egg on the Point of aWalking-Stick. Solution. . Have the egg…
Puzzles
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