Tissandier, Gaston, 1843-1899, Frith, Henry, 1840-, Harry Houdini Collection (Library of Congress) DLC · London, New York [etc.] Ward, Lock & Co · leaf 81
with thewarm air from your lungs, will soon ascend. Without 64 PRESSURE OF THE AIR. letting it go, follow it in its ascending movement, turningthe end of the tube gradually upwards until you cantouch off the drop suspended at the bottom of the bubble.Your balloon, fully inflated, will only want to… … lS- 54-—Soap-bubble lifting a Paper Aeronaut. Let a small, thin paper-figure be cut out, and fastenedby a thread to a disc of paper ; it can be made to adhere-to the bubble, as shown in Fig. 54. If the bubble thenbe released, it will carry the figure up with it (Fig. 55).If smaller tubes be used,…
Scientific recreations
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