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Scientific American, Vol. 81, No. 5 (July 1899) (1899)
leaf 4
ove-pipe the elbow and pipe are not liable to be drawn apart. tion. and elbow sections may be rigidly held together without The reduced portion of the band fits snugly on the re- the use of riveted joints, supporting screw-hooks, or duced or inner portion of the elbow section. THE JOHNS HYDRAULIC… … 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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