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[Student and Professor with Lab Rats]

Description: Photograph of a professor and student handling a lab rat. In the image, the women look at a rat that is climbing on top of another rat's cage. The professor is holding the wondering rat's lid open while the students keeps a light grip on the rat to insure it won't run. More cages can be seen on the left shelves with other lower cabinets taking the rest of the space.
Date: 1942
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[Chemistry]

Description: Photograph of two student mixing chemicals in a chemistry class. The male student is pouring liquid from a graduated cylinder into a round bottom flask, while the female student is using a pipette to pour liquid into a bottle. They are surrounded by chemistry lab material and are wearing protective aprons.
Date: unknown
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

Blower for Forges

Description: Patent for new and useful improvements in blowers for blacksmiths' forges with the intention of creating less waste and a better economical value.
Date: June 19, 1902
Creator: Roach, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Clothes Pounder

Description: Patent for a new and useful improvements in Clothes-Pounders. The invention "has its object to provide a simple and effective clothes pounder in which the air as well as the water is used as an agent in removing the dirt from the clothes" (line 12- 16).
Date: November 9, 1897
Creator: Allen, William Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Breech-Protector

Description: Patent for a breech protector for guns which protects exposed parts of the gun and the hands of the person handling it. Illustrations included.
Date: December 15, 1908
Creator: Hann, Edmund Lyne
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an improvement to aeroplanes which includes movable horizontal and vertical planes (or curtains).
Date: March 26, 1912
Creator: Blewett, Baxter W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bottle-neck

Description: Patent for "an improved neck for bottles and jars; and it consists, essentially, of a notch formed on each side of the cork to enable the fingers of the operator to obtain a firm grip thereon in order to extract same." (lines 8-12)
Date: April 10, 1906
Creator: Huffer, Tilghman A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Bench-Dog

Description: Patent for a bench dog for holding boards while they are being cut.
Date: December 27, 1910
Creator: McCormick, Terrill W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Step

Description: Patent for a car step. This invention is designed to be swung down into position from a fixed under the bottom of the rail car. Illustration included.
Date: September 18, 1906
Creator: Davis, George W. & Hicks, Joseph A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Claw-Bar.

Description: Patent for a new and useful claw bar, including instructions and illustrations.
Date: October 18, 1898
Creator: Wiggs, Zeph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Courtney Brown's "Rawr!"]

Description: Photograph of Courtney Brown's "Rawr!," an instrument made from a simulated Hadrosaur skull. The instrument was used in a performance of "How to Speak Dinosaur: Courtship" in the University of North Texas' Lyric Theatre during the 2015 International Computer Music Conference (ICMC).
Date: September 25, 2015
Creator: University of North Texas. College of Music.
Item Type: Refine your search to only Photograph
Location: 33.206321 -97.155060
Partner: UNT Libraries Special Collections

[Courtney Brown and David Earll perform "How to Speak Dinosaur: Courtship," 1]

Description: Photograph of Courtney Brown (right) and David Earll (left) performing Brown's composition, "How to Speak Dinosaur: Courtship," in the University of North Texas' Lyric Theatre during the 2015 International Computer Music Conference (ICMC). Earll is playing the tuba while Brown plays a Hadrosaur skull instrument called "Rawr!"
Date: September 25, 2015
Creator: University of North Texas. College of Music.
Item Type: Refine your search to only Photograph
Location: 33.206321 -97.155060
Partner: UNT Libraries Special Collections

Baling-Press.

Description: Patent for "baling-presses of that class wherein motion is communicated to the plunger from a sweep operated by horse or similar power, and the object in view is to improve the construction of the baling-chamber and attachments, and, furthermore, to provide a simple and efficient construction of plunger-operating mechanism" (lines 8-15)
Date: January 5, 1897
Creator: Pearce, William J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "consist[s] of a draw-head having a spring-actuated sliding piece projecting into the draw-head, with a shouldered end therein, and a hole adapted to register with the coupling-holes in the draw-head, a coupling-link having yielding slotted pieces pivoted at its ends above slots in the ends of the link, and a coupling-pin with reacting spring mounted in a frame having a winding-drum, and a rope connected with the coupling-pin… more
Date: July 24, 1888
Creator: Griffith, William H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cleaner for Cotton-Gin Saws

Description: Patent for "a new and improved cleaner for removing gummy and other matter from the saws of cotton-gins while the latter are running, thus permitting the saws to work very effectively in removing the lint from the seed" (lines 8-13).
Date: June 4, 1889
Creator: Godwin, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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