. 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 ... . 2 Sheets—Sheet 3. M. M. McGregor & j. c, ceoiton. 220,631. Patented Oct. 14, 1879. Illl^-. WjL •^^11^ Emz;:r^rrpiiiini. C L^a^- cAa^~^ nrVEHTOS:

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle