Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 140
e fan-plate,Which in its sudden fall creates a vacuum, and the surfaceof the paper is attracted towards the operator. MECHANICAL T0Y3, ETC.THE MAGIC GLASS. 123 A skilful chemist, M. Wideman, has supplied a curiosity.It is a square of glass perfectly plain, on which no drawingor any lines can be… … Fig. 97.—The Magic Glass. On the Left the Transparent glass ; on the Right the Sanie after being breathed on. from the glass. You may wash and rub the glass, butthe image will again appear if the plate be breathed upon.The explanation is simple. Prepare the, piece oflooking-glass, and let the…
Scientific recreations
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