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Scientific American, Vol. 3, No. 12 (September 1860) (1860)

leaf 7

An illustration from Scientific American, Vol. 3, No. 12 (September 1860), 1860, leaf 7
g and summer." This is the famous plan pro- or upon steamboats, railroad cars, &c. through the opposite cylinder-head, e. A space is left be- A pump, B (Figs. 1 and 2), having the piston, B', is posed by Espy, several years ago, except that it is on a tween the smaller end of the chamber, F, and… … The patent for this invention was granted ing machinery, air or gas-tight. (through the Scientific American Patent GWYOTE'S IMPROVED GAS PUMP. The patent for this invention was grant- Agency) on the 17th of April, 1860 ; and ed (through the Scientific American Patent Agency) on number of great…

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