. 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 ... . JHtnesses Inventor: ^^ A Mtornetrs. 244 TRACTION ENGINES. Improvement in Traction Engines. No, 115,260. PalintiiJ Mij 30, IVbift^sses 3 Shisls-Shsel 2. JAMES H. in Traction Engines. No. 115,280. May30,l871. J-t^B


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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle