UNT Libraries Government Documents Department - 2,985 Matching Results

Search Results

Improvement in Gang-Plow.

Description: Patent for improvement in gang-plow by using an adjustable slotted cross-bar to enable the “plow-beams to oscillate, so that their landsides are always vertical, however uneven the ground may be.” (Lines 20-21) “This tool can also regulate the depth of the plows in the ground whereby the depth of furrow is adjusted.” (Lines 24-25) Illustration is included.
Date: April 20, 1869
Creator: Hall, Thomas J.

Improvement in Needle-Threaders for Sewing-Machines.

Description: Patent for improvement in needle-threaders for sewing machines by using an “eyelet-frame that formed by two equal parallelopipeds. These parallelopipeds are being kept together by two springs and may be separated by pressing the pins toward each other.” (Lines 32-35) “The axis of a conical eyelet will be laid in the joint planes of the parallelopipeds, its apex in the front side, its basis in the opposite side of the eyelet-frame, through which eyelet the thread has to pass when the instrument… more
Date: April 20, 1869
Creator: Thielepape, Wilhelm C. A.

Improvement in Fences.

Description: Patent for improvement in rail-fence by using “triangular-shaped posted or couplings; it consists in arranging posts of a triangular form and a certain construction diagonally with the rails forming the body of each panel, so that long and short rails may be utilized.” (Lines 14-19) Illustration is included.
Date: August 20, 1872
Creator: Willie, William T.

Improvement in Cotton-Worm Destroyers.

Description: Patent for "a new machine for removing the destructive cotton-worms from the cotton-plants without injury to the plants, and for destroying the worms," which "consists in the arrangement of a movable frame, which is by animals drawn over the fields to straddle the rows of cotton, and which is provided with brushes for sweeping the worms from the plants, and with jointed bottom pieces or slides, which crush them on the ground." (Lines 15-25) Includes instructions and illustrations.
Date: May 20, 1873
Creator: Helm, Jackson

Washing-Machines.

Description: Patent for an improvement in washing machines. The shaping and components are meticulously detailed and indicate they play a part in the said improvement.
Date: January 20, 1874
Creator: Eberhardt, T. C.

Improvement in Bale-Ties.

Description: Patent for an "invention to produce a cheap and convenient tie, which is durable, and which will not unlock should the rivet holding the button break from any strain on it, the button still holding by means of slots, and the strain being transferred to a slot in the end of the tie in which the button was riveted." (Lines 15-22) Includes instructions and illustrations.
Date: October 20, 1874
Creator: Brown, Maurice T.
Back to Top of Screen