Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 422
ach other, the luminous sensations will also minglein a single object, which will however appear to bemodified in a continuous manner, conformably with the dancers top. 65 differences of successive images. With a difference ofspeed, we obtain a new series of phenomena. A mostsimple contrivance of… … Rotating disc. is carried along by the friction of the axis, but its rotationis less rapid because of the great resistance offered by theair to the piece of thread which participates in the move^ment. If the lower disc has several differently-colouredsectors, they produce a very motley appearance,…
Scientific recreations
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