File:Image from page 36 of "Scientific amusements" (1890).jpg

English: Identifier: cu31924031296126

Title: Scientific amusements Year: 1890 (1890s) Authors: Tissandier, Gaston, 1843-1899 Frith, Henry, 1840- Harry Houdini Collection (Library of Congress) DLC Subjects: Scientific recreations Publisher: London, New York [etc.] Ward, Lock & Co Contributing Library: Cornell University Library Digitizing Sponsor: MSN

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Text Appearing Before Image: Fig. I3-—The Draughtsmen. the illustration, and with the thumb and forefinger propelthe single disc violently against the pile, causing the discto strike the column (Fig. 13). The piece thus launched out will strike tangentially the pile in one of two ways either it will hit it at the point of contact of two discs,-in which case two will be projected from the column-or it will strike a single disc, as shown in the illustration THE PRINCIPLE OF INERTIA. ig in which the black piece only will be projected from thepile, without disturbing the stability of the other pieces. THE CARD AND THE COIN. Place on the forefinger of your left hand, held upright,a card ; on the card place a halfcrown or other good-

Text Appearing After Image: Fig. 14.— The Card and the Coin. sized coin, and offer to remove the card without disturbingthe coin. To do this you must fillip the card forciblywith the middle finger of the right hand ; the pasteboardwill be propelled across the room, and the coin will remainupon the finger. In performing this trick, care must betaken to flip the card in a plane perfectly horizontal tothe coin—as shown in the illustration (Fig. 14). io TROPERTIES OF BODIES. EXPERIMENT OF INERTrA MADE WITH DOMINOES., Place two dominoes upright at their highest elevation:with their faces towards each other, and then another.piecehorizontally across them, forming a door. Upon thisthird—the horizontal—domino place a fourth, the black

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