. 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 ... . WIT^KSSBS lirvEJ^TOB jyiTJrsssES frf^ Jittornci/o 358 TRACTION ENGINES {No Hodel.) 7 SheetB—Sheet 7. M. E. HEESHEY. TRACTION ENGINE. No. 367,912. Patented Aug. 9, /^Cc A/lorneyta No. 368,772. F. F. LANDIS. TRACTION EN8INE. Patented Aug. 23, 1887.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle