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[1956 circuits]

Description: Photograph of the circuits of an amplifier that has the number 1956 written on a metal component on the bottom right.
Date: 1962
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[1963 circuits]

Description: Photograph of the circuits of an amplifier; the number 1963 is written on a piece of metal near the bottom.
Date: 1962
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections
captions transcript

[1995 Composite UNT Half-Time News Video]

Description: A video of a compilation of news clips about various activities and programs that the University of North Texas is involved in.
Date: 1995
Duration: 33 minutes 22 seconds
Creator: University of North Texas. Center for Media Production.
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

[2084 circuits]

Description: Photograph of the circuits of an amplifier, on a solid piece of metal near the bottom the numbers 2084 are written.
Date: 1962
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[4H Club award show]

Description: Photograph of a young girl standing and speaking into a microphone. A man is leaning down and holding the microphone out for her as a woman stands next to him behind a podium.
Date: February 20, 1973
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

[4H Club awards]

Description: Photograph of a woman standing behind a podium and a man standing next to her holding a microphone. A young boy stands near them looking at the mic. Two others sit at a table behind the podium.
Date: February 20, 1973
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections

Abrading Element For Tire-Patch Containers

Description: Patent for an improved tool that is affixed to tire-patch containers. It is used for abrading the surface of a tire to effectively roughen it (without the use of sandpaper) to allow the adhesion of a patch. Includes illustrations.
Date: January 4, 1921
Creator: Duffy, Jesse A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Apparatus.

Description: Patent for machines that generate acetylene gas for a "simple and comparatively inexpensive construction, in which the gas is thoroughly washed before entering the service-pipe and in which the water-supply to the generator is controlled by the gas pressure and the carbid kept at all times cooled by surrounding water" (lines 11-17).
Date: December 4, 1900
Creator: McGoldrick, William Hamilton
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetylene Gas Generator.

Description: Patent for a acetylene gas generator which combines "both a generator and a gasometer the parts of which are so arranged as to render the machine efficient and entirely automatic in action, as well as inexpensive of production." (lines 16-20) including illustrations.
Date: October 14, 1902
Creator: Reynolds, Pearl P. & Reynolds, Jerry J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for an improve to a Gas-Generator by controlling the liquid for decomposing the carbid in acetylene, by doing this the generation of gas is monitored and the waste of gas will not occur. This is an improvement to the Gas-Generator, this construct will have an automatic cut-off for the liquid-supply.
Date: August 25, 1903
Creator: Summerfield, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator

Description: Patent for an improved acetylene-gas generator with a carbid receptacle on top of of the gasometer an an improved automated valve mechanism to assist with gas maintenance.
Date: October 7, 1902
Creator: Loyer, William Joseph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for am adding machine by using two disks, one a units-disk with pins in multiples of ten, one a tens-disk, is an annular disk with pin surrounding the units disk, an outwardly spring-pressed holder having a beveled outer end frictionally engaging the pins of the tens-disk and a carrier having oppositely-beveled ends engaged a supplemental pin and one pin on the tens-disks, teeth in the adjacent faces of the holder and carrier, and an idle-gear between them to enable the adding operation.… more
Date: May 12, 1891
Creator: Wright, Joseph W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adding-Machine.

Description: Patent for an adding-machine meant to "add fixed amounts of money received or to calculate the number of days a laborer has worked or the number of fractions of days" (lines 14-17). Mounted keys have mechanisms that rotate a ratchet wheel or disk. "Secured to the shaft upon which this ratchet wheel or disk is mounted is a rate-indicator, consisting of a disk divided off into radial sections, and also divided by lines running parallel to the circumference of said disk, dividing the same up into … more
Date: August 27, 1895
Creator: McElyea, James L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adjustable Device for Dressing Down Bearings

Description: Patent for a tool that dresses down bearings. Railroad engine journals and their corresponding bearings show wear over time. When replacing bearings into such a journal, without adaptation of the bearing there will be an improper fit, resulting in "hot journals" or "hot boxes". This tool adapts a bearing to a proper fit for the journal into which it will be installed.
Date: December 12, 1922
Creator: Mitchell, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Adjustable Headlight For Vehicles.

Description: Patent for a vertically moving headlight so that the driver can aim light toward the direction in which they are traveling. The headlight is meant to be durable and easy to build.
Date: August 4, 1914
Creator: Gray, Charles B. & Teter, William E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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