. 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 ... . No. 291,300. 2 Sbeets—Sheet 2. H. M. COEMACK. TEAOTION ENaiNE. Patented Jan, 1, 1884. (No Model.) C. J. LEACH & A. OLDS, TKAOTION ENSINE. No. 292,924. Patented Feb. 5, jf^.J.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle