. 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 ... . iMo Model.) 2 SbectB—Sbeet I. E. G, H. STEIN. SPRING OPERATED MOTOR OR APPARATUS. No. 542,839. Patented July 16, A \\ II— I INVEHTOn ^ tTTOnHEt.^^^ No. 544,636. •£ isDeets—Sueet 1 A. M. WHEEL. Patented Aug. 13, 1895.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle