Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 609
ntre ofgravity is kept near the point of support. We needhardly remark, too, that it is the motion of a top thattends to keep it in a vertical position. Many experiments in mechanical physics may occur 46 SIMPLE PHYSICS. to ones mind. To conclude the enumeration of thosewe have collected on the…
Scientific recreations
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