Improvement in Gang-Plows.
Description:
Patent for an improved gang-plow with an adjustable crank-axle, mechanism to raise and lock the plows, and a brace for increasing rigidity.
Date:
January 27, 1874
Creator:
Cummins, Allison G. & Cummins, John R.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department