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Scientific American, Vol. 81, No. 5 (July 1899) (1899)
leaf 4
GINE —A COMBINED the like. WATER AND AIR MOTOR. Lightning; Strikes the Washington ITIonument. Of the accompanying illustrations, Fig. 1 is a side ele- One of the most ingenious and efficient hydraulic It is not uncommon for the Washington Monument vation of the coupling' motors which has yet to be… … short in the next The three cylinders century. THE JOHNS HYDRAULIC ENGINE—A COMBINED WATER AND AIR MOTOR. have a common sup- © 1899 SCIENTIFIC AMERICAN, INC.Patents · Air · Munn · Brake · Device · Scientific American · Gun · Train pipe · Patent office · Horse power · Muzzle energy · Fiscal year · Air brake · Air resistance · Brake cylinder · Letters patent
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