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Cultivator.

Description: Patent for a new and improved cultivator. This design consists in "a draft-bar, a connecting rod or bar which connects the two beams together at any suitable distance . . . vertical standards which are secured to the rear ends of the beams, adjustable connecting-bars . . . and a connecting-rod which connects the bars together in a line with the beams . . . to loosely attach two cultivators to a single draft-bar, and then connect these two cultivators together . . . [so] each of the cultivators … more
Date: June 11, 1889
Creator: De Witt, Martin V.
Partner: UNT Libraries Government Documents Department

Adding-Machine

Description: Patent for "an adding-machine which, while being constructed of but comparatively few parts, will be so adjusted as arranged as to allow an operator to make rapid and correct calculations; furthermore, to produce an adding-machine in which the operator will be enabled to detect immediately any mistake which he may have made, and, finally, to produce a simple, efficient, and effective adding-machine" (lines 13-22).
Date: June 25, 1889
Creator: Stinson, James C.
Partner: UNT Libraries Government Documents Department
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