Improvement in Lamp-Burners.

Improvement in Lamp-Burners.

Date: April 15, 1879
Creator: Beeman, Geraldo A. & Ramsey, Haley S.
Description: Patent for a new improvement for Lamp-Burners that helps prevent explosions, including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Comanche County

Comanche County

Date: 1920
Creator: Giles, J. Bascom
Description: Blue line print of survey map of Comanche County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Handwritten notes have been made on the published map to indicate the addition of roads. Scale [ca. 1:200,000] (6000 varas to the inch).
Contributing Partner: Hardin-Simmons University Library
Vehicle-Hub.

Vehicle-Hub.

Date: January 12, 1892
Creator: Jones, George W. & Green, Furney F.
Description: Patent for improvements to vehicle wheel hubs, with instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Churn.

Churn.

Date: October 27, 1891
Creator: Henderson, Henry Thomas
Description: Patent for improvements on a churn design, in particular for churns with a vertical dasher that have reciprocating motion.
Contributing Partner: UNT Libraries Government Documents Department
Wire-Stretcher.

Wire-Stretcher.

Date: July 7, 1891
Creator: Bigham, James Oliver
Description: Patent for improvements in wire-stretchers by using a combination of two jaws coupled together and carrying pulleys, a cord to draw the jaws together passing around the pulleys, and a gripping device connected with the jaws to secure the wires. (Illustration is included.)
Contributing Partner: UNT Libraries Government Documents Department
Ant-Trap.

Ant-Trap.

Date: December 8, 1891
Creator: Walker, Stephen A.
Description: Patent for a new type of ant trap that captures ants by having them crawl up a wooden central chamber and then fall into a sheer metal pit. Includes illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Pumps.

Improvement in Pumps.

Date: September 24, 1878
Creator: Beeman, Geraldo A. & Mason, John T.
Description: Patent for "a pump having two barrels of different diameters, the larger being subjacent to the smaller, and each provided with a valved piston, said pistons being both secured to the same piston-rod, in combination with a weight, arranged to counter-balance the added weights of the water-columns above the smaller and below the larger piston." (Lines 12-20) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Post Hole Auger.

Post Hole Auger.

Date: November 17, 1885
Creator: Grimm, Frederick
Description: Patent for a new and improved post-hole digger. This design is "compris[ed of] an operating handle having a series of radial horizontal wings provided on their lower faces with downwardly-projecting flanges, cutting-blades having horizontal slotted arms at their upper ends adapted to fit between the flanges of the wings, said cutting-blades having their lower ends pointed or bent and curved inwardly and transversely, to bring the cutting edge of one blade out of the plane of rotation of the rear blunt edge of the preceding blade, and adjusting bolts and nuts" (lines 7-18).
Contributing Partner: UNT Libraries Government Documents Department
Lamp Chimney Cap.

Lamp Chimney Cap.

Date: October 16, 1883
Creator: Wiesendanger, Emil Ulrich
Description: Patent for a new and improved cap for oil lamps. A lamp "equipped with [this] improvement may therefore be carried outdoors without danger of being put out or exploding on account of rain or wind. The protector, being made of metal, also serves by radiation to equalize the heat of the chimney and prevent it from cracking" (lines 48-54). Further, it is simpler and more durable than previous lamp-chimney caps.
Contributing Partner: UNT Libraries Government Documents Department
Stamp Canceler and Register.

Stamp Canceler and Register.

Date: May 3, 1881
Creator: Lupton, Lewis R.
Description: Patent for a new and improved stamp canceller. This design "consists in the combination, with an ordinary hand canceling device, of an indicator" (lines 22-24). This design utilizes a lever, and "[b]y properly adjusting [it], the device will indicate the cancellation of one-cent or three-cent stamps, and it is obvious that by making similar and proper provision for the adjustment of the throw of [the lever] the cancellation of stamps of any denomination may be indicated" (lines 83-89).
Contributing Partner: UNT Libraries Government Documents Department
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