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Elastic Chain

Description: Patent for this invention is to provide a chain which yield longitudinally when subjected to a tensile strain and to this end arrangement of parts, as will be herein after described and claimed. [5-10]
Date: December 3, 1889
Creator: Redwood, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Board Roofing.

Description: Patent for a new design of roofing board. The wooden boards are designed to "contract and expand with changes of temperature" (para. 3) and to allow rain to run off without seeping into the joints of the boards.
Date: December 19, 1876
Creator: Zimmerman, Arnold W.
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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

Freezer

Description: Patent for a portable freezer designed to freeze cream and milk. Illustration included.
Date: December 28, 1909
Creator: Milburn, William M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electrode-Holder

Description: Patent for "an electrode holder for the head lights of steam locomotives, interurban cars and analogous vehicles" (lines 11-13), including illustrations.
Date: December 28, 1915
Creator: Pratt, James R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Reed-Organ.

Description: Patent for reed-organs that is needed in the construction of reed-board to improve the quality and volume of the tone, produce a uniform pipe-tone throughout the different registers.
Date: December 9, 1902
Creator: Preston, Percy C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car-Brake.

Description: Patent for improvements in car brakes, "wherein the ordinary brake-beams are dispensed with and wherein the several brake-shoe-carrying levers will be self-adjusting." (lines 8 - 11) Includes instructions and illustrations.
Date: December 8, 1891
Creator: Braun, Henry F.
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Partner: UNT Libraries Government Documents Department

Sawing Machine

Description: Patent for a wood sawing machine which allows for a portable wood sawing apparatus. The device is capable of adjusting the saw to create a feed, and allows for cutting diagonally, horizontally, or vertically.
Date: December 14, 1920
Creator: Arnold, James A.
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Partner: UNT Libraries Government Documents Department

Improvement in Bee-Hives

Description: Patent for an improved design for bee-hives with the sloped V shaped interior designed to aid in warmth for the hive and reducing debris entering the comb. Illustrations included show several cross-sections of the hive construction.
Date: December 12, 1876
Creator: Snider, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Match-Box.

Description: Patent for a match box with an improved delivery mechanism for matches.
Date: December 6, 1910
Creator: Fleming, Henry C. & Royster, William F.
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Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Denison fire]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, covering footage of a fire in a retail building. This story aired at 10pm.
Date: December 24, 1989, 10:00 p.m.
Duration: 51 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
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