. Digest of United States automobile patents from 1789 to July 1, 1899, including all patents officially classed as traction-engines for the same period. Chronologically arranged ... together with lists of patents in the classes of portable-engines, traction-wheels, electric locomotivs, and electric railway battery systems ... . ^ee^ No. 504,272. G. Patented Aug. 29, 1893. t/cf/--/. No. 550,163. 4 Sbeetd—Sheet 1 a. BUBJJfD. OOMIEESSED AIR MOTOR. Patented Nov. 19, lV/rfJ£SS£S

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle