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Improvement in Gang and Sulky Plows.
Patent for improvements in gang and sulky plows which "consists in an axle having the double crank of the transporting-wheel journaled upon the outer bend of said crank, working between the side beams of the plow-frame, and the connecting-rods pivoted, respectively, to the said bars and to the end and inner bend of said crank" (lines 17-23). Includes instructions and illustrations.
Date:
January 8, 1878
Creator:
McCormick, John Robert
System:
The Portal to Texas History