. 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 ... . ^ ,^^€^^^ Ho. 586,871. P. FOB TRACTION EHGINIS. Patented July 20, 1897. E. K. BUTTON. EOAD LOCOMOTIVE. 3 Sheets—Sheet 1. No. 587,714 Patented Ang. 10, GXe^. A^.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle