. 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 ... . (Ko Hodel.) s sheetB—Sheet 1. J. N. BRITZ. DRIVING OEAE POR TRACTION ENGINES. No. 421,902. Patented Peb. 25, TRACTION ENGINES 373 (No Model.) 3 Sbeets—Sheet 2 J. N. BEITZ. DBI7IN0 ftEAE F08 TRACTION ENSINZ3. Mo. 421,902. Pateutod Feb. 25, 1890.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle