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Riveting-Mandrel.

Description: Patent for a riveting-mandrel "for riveting the overlapping ends of sheet metal to form pipes, tubes, or the like" (lines 10-12) including illustrations.
Date: June 1, 1897
Creator: Mantey, John F.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a plow that can be easily and inexpensively adjusted to plow shallower or deeper.
Date: August 12, 1919
Creator: Kilpatrick, Robert L.
Partner: UNT Libraries Government Documents Department

Means for Automatically Inflating Pneumatic Tires.

Description: Patent for an automatically inflating tire which allows the tires to be inflated evenly at all times. "Should the air escape from the tire due to a puncture or leak the rim will be prevented from injuring the tire casing, as said casing will be prevented from becoming deflated" (lines 17-21). Motorists will no longer need to drive on flat tires waiting for repairs.
Date: November 9, 1920
Creator: Cooper, Jowel Cecil
Partner: UNT Libraries Government Documents Department

Gage.

Description: Patent for a gage that has a beam with a saw kerf at one end, a clamp made up of a tube with parallel wings that are inserted into the kerf, a scribing point in the tube, "and means for clamping the separated ends of the beam tightly against the parallel wings of the clamp" (lines 57-59).
Date: November 12, 1895
Creator: Holmes, Elijah H.
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for an improvement to "shovel-plows" that "is adapted to cultivate between the rows of corn, &c., and one in which the rearwardly-extending moldboards can be adjusted [...] in case the rows are close together or far apart. The cultivator is also arranged so that the depth of the furrow can be regulated" (lines 14-21).
Date: May 28, 1901
Creator: Dinkins, James Oscar
Partner: UNT Libraries Government Documents Department

Cotton-Cleaning Machine.

Description: Patent for an improvement for cotton-cleaning machines that removes harmful debris from cotton before passing the cotton into the cotton gin. The improvement uses brushes and air blowers to collect and divert debris.
Date: April 11, 1916
Creator: Davison, Israel D.
Partner: UNT Libraries Government Documents Department

Cultivator.

Description: Patent for a cultivator, which can be adjusted to different widths and depths of rows.
Date: March 15, 1910
Creator: Kilpatrick, Robert L.
Partner: UNT Libraries Government Documents Department

Pioneers in Education: The G.L. & Marguerite Powell Story

Description: Book describing the life and educational careers of Marguerite and G. L. Powell, written by their daughter. It includes a brief background about how the family's ancestors came to Texas along with narrative anecdotes about their lives; it also includes newspaper clippings and photographs of the family members, students taught by Mrs. Powell and sports teams coached by Mr. Powell.
Date: October 2001
Creator: Powell-Loatman, Carol
Partner: African American Library of Bell County

Saddle Stirrup

Description: Patent for stirrups. This invention is designed to be automatically detached from the stirrup strap in the case of the rider being thrown. Illustration included.
Date: November 22, 1910
Creator: Shultz, James F.
Partner: UNT Libraries Government Documents Department

Cut-Off Valve.

Description: Patent for a new and improved valve. This design consists in "the valve-seat of [the] slide-valve, the entrances of whose steam passages form seats for auxiliary valves pivoted to [the] yoke on a rod, whose stud occupies said slot in upper portion of [the] arm pivoted to [the] pendant from [the] main valve-rod and terminating in [the] tappet, the same being combined with the adjustable stops" (lines 55-63).
Date: October 1, 1889
Creator: Moore, Robert B.
Partner: UNT Libraries Government Documents Department

[Letter from I. H. Kempner to Mr. M. N. Dannenbaum, November 21, 1944]

Description: Letter from I. H. Kempner to M. N. Dannenbaum discussing his inexperience in state funding but suggesting that Dallas and Houston each raise more money to have a sufficient amount for the new building. He also discusses Rabbi Friedman's upcoming trip to Birmingham to meet with the Director of the University of Alabama Hillel.
Date: November 21, 1944
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
Partner: Rosenberg Library

Combined Brace and Angle-Bar for Vehicle-Bodies.

Description: Patent for braces and angle bars on vehicle bodies that improves the brace to hold buggy beds together with illustration that shows improvements. "When these braces are secured on the bed they will prevent the adjacent parts of the bed from splitting, spreading or dropping down and they will hold the ends and sides, as well as the bottom of the bed securely in place" (lines 61-66).
Date: April 5, 1921
Creator: Kilpatrick, Robert L.
Partner: UNT Libraries Government Documents Department

Combined Plow and Fertilizer-Distributer.

Description: Patent for an improved combined plow and fertilizer-distributor that better feeds the fertilizer from the hopper or container to a depositing boot, from which the material is discharged into the furrow formed by the plow. Includes instructions and illustrations.
Date: September 8, 1914
Creator: Hurlbut, Milan
Partner: UNT Libraries Government Documents Department

Buggy-Axle

Description: Patent for a buggy-axle that has the hub of the wheel so arranged as to rotate with the stub axle of the device, holding the wheel in place.
Date: May 18, 1915
Creator: Elliott, Claude B. & Kurtz, Edward
Partner: UNT Libraries Government Documents Department
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