. 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 ... . _Ss ^z::&^.- (No Model.) 3 SbeetB—S;itiet a. J, H. ELWiED. Portable Engiae. No. 236,312. Patented Jan. 4, 1881. H. W. LAND & H. CAMPBELL. THACTIOK EB61NE, No. 257,444. Patented May 2,1882 No. 280,428. ¥. WILKINSON. TRACTION ENGINE. Patented July 3, 1883.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle