. 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. 236,565. ^ „ ^. 6 Sheete—Sheet i J. H. ELWAED. Traotion Engine. Patented Jan. II, 1881. (Ne Model.) 5 Sheets— J. H. ELWAED. Traction Engine. No. 236,565. Patented Jan. 11, 1881. r\.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle