Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 605
e, of which thecentre of gravity is fixed over the point of support. Wecan bend the bottle, empty it even, if it contains fluid, with-out the little construction over its mouth being in the least 42 SIMPLE PHYSICS. disturbed from its balance. The vertical line of the centreof gravity passes through… … Another experiment on the same sulject. is often perfoimed by conjurors, who inform their audiencethat they will undertake to empty the bottle withoutdisturbing the cork. If a woodcock has been served fordinner, or any other bird with a long beak, take off thehead at the extreme end of the neck ;…
Scientific recreations
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