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Means for Controlling the Flow of Navigable Rivers or Other Waters.

Description: Patent for a new means of controlling the waters. This design "is to remove or prevent the formation of sand-bars at the mouths of harbors elsewhere, calculated to obstruct navigation; also, to prevent the overflow of navigable rivers and the breaking of levees or destruction of jetties. [The] invention consists in a novel means of accomplishing these and other like ends by mechanical forces applied to increase the natural current or outflow of the navigable water toward its outlet or the ocean… more
Date: October 1, 1889
Creator: Coult, Joseph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dental Drill Attachment.

Description: Patent for a new and improved dental-drill attachment. This design consists in "the combination, with the upper pulley and the supporting pully-frame of a drill, of a rod having hinged to its upper end the clip, having the set-screw, and having at its lower end the frame, having the wheel and the side-spools journaled within it" (lines 25-31).
Date: August 13, 1889
Creator: Moyer, Jesse Hechler & Stansell, Jesse Paine
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Flexible Hoe and Cotton-Chopper

Description: Patent for "provide a means by which the swinging blades are made to cut a uniform depth, and do as shallow hoeing as may be required even in rough ground, and also work very close to small plants; second, to provide such gearing and such connection between the driving-wheel and the oscillating blades that the blades maybe readily shifted from right to left to keep them over the row without having to move or change the course of the driving-wheel at the same time" (lines 14-24).
Date: December 31, 1889
Creator: Hurd, Judson B. & McLane, Hiram H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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