Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 521
atthe extremity of which is a glass tube, T, terminating atits lower extremity with a capillary opening ; this tubeis filled with aniline ink, and just rests on the sheet ofpaper; the support and the tube are balanced by a 164 SOUND. counterpoise on the right. The two pendulums, A and B,are… … M. Tiblcy s Harmonograpli. dulum A carrying a small additional weight, the heightsmall wmdiass. If we give to pendulum A a slight move-iTne on ^r ° * P°^ ^t.^ ^ traces a straight B the n P^ P-^^^ ■ ^ ■ ^t ^f-- -°ve pendulumB, the paper also is displaced, and the point of tube T w^trace curves, the…
Scientific recreations
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