Title: Digest of United States automobile patents from 1789 to July 1, 1899
Subtitle: 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 ...
Subjects: Patents, Automobiles, Traction-engines, Bicycles
Places: United States