. 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 ... . GEARING. 205 i. W. EISENHUTH. CHANGEABLE SPEED GEARIKG iapW1aU» *>• o« ai. )S«T.) Patentid Jan. 10, L. B. FOR HOTOR _2 Ji^X Palentad Ian. 17, 1899. a siitiii—stiitt I. No. «I7,8I9.

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Keywords: ., bo, bookcentury1900, bookdecade1900, bookiddigestofunitedst00alle