. 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 ... . WITNEMESi cJ^linAJSMv^**^it^*-^ iNvommi UTTOflHEVS. TRACTION ENGINES 259 J. S. PORTABLE-EJfSmE. 2 Sheets—Sheet 1. 2 Sheets —Sheet 2. Ho. 137,917. PlteoleJ Fell. 27. 1877. Ho. 187,917. WITNESSES

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle