. 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 ... . i7* ? oC • ^ifc-«-«.fl^ ix-rsjrms irlTJ/ESSSS ?Jy/ TRACTION ENGINES 335 (Ko Hodel.) No. 327,807, 4 Sheets—Sheet 4. S. MASON. TEAOTIOH EflSINE, Oot. 6, J. H. ELWAED. TEiOTION ENGINE. 2 abeete—Sheet 1. No. 329,153. Patented Oot. 27,

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle