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Improvement in Cotton Planters

Description: Patent for "a new and useful improvement in Cotton-Planter" (lines 3-4) with "construction and means to adjust the furrow-opener" (lines 6-8) including instructions and illustrations.
Date: October 13, 1874
Creator: Troat, Oliver H.
Partner: UNT Libraries Government Documents Department

Improvement in Scew-Propellers.

Description: Patent for "means for guiding pivoted propeller-blades so that they can open and close readily and uniformly. It also consists in a new mode of applying a spring there-to so that the obliquity or resistance of the blades will be automatically graduated." (Lines 6-11) Includes instructions and illustrations.
Date: February 18, 1873
Creator: Wilson, Martin M.
Partner: UNT Libraries Government Documents Department