. 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 ... . G. H. HELVET. IRAOTION EN8INE. No. 266,499. Patented Oot. 3, 1882, (No Uodel.) A. J, HOAG & J. A. DREW. TRACTION ENGINE. No. 265,809. Patented Oot. 10,-1882. ficJ. ENTOR

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle