. 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 ... . Witnesses! ^? D A PRATT. MOTIVE POWEB FOR LOCOMOTION AND OTHEB PCaTOBES. No. 69,699. Patented Oot. 8. 1867. T. Vehicles No, 76,814. Patented April 14, 1868, 0. D. Propelling Vehicle. No. 80,206. 2 Sheets—Sheet 1. Patented July 21, 1868.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle