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Scientific American, Vol. 93, No. 13 (September 1905) (1905)

leaf 12

An illustration from Scientific American, Vol. 93, No. 13 (September 1905), 1905, leaf 12
roused to such an extent by the mysterious power within the toy that he is very liable to destroy the toy in order NEW EOTAEY VALVE FOE STEAM ENGINES. to discover the secret of its action. It has occurred to Mr. Harvey I. Dedrick, 26 South Center Street, an annular balancing chamber, H, formed by a… … The illusion consists in showing a floating automo- set of ports in the corresponding valve. When a valve SAND WHEEL TOTS* bile about four feet above the stage, in motion, appar- is pressed, the shorter tube is cut out and the longer ently traveling in the air with its occupant, going tube is…

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