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[Transcript of Letter from Chamberlain Jones to Stephen F. Austin, October 10, 1830]

Description: Copy of transcript for a letter from Chamberlain Jones to Stephen F. Austin, in which Chamberlain informs Austin that he has purchased part of John Cummings' interest in the silver mine on the Trinity River. Jones requests further information regarding plans to put bring the mine into production, as well as, the current value of the mineral. Jones also suggests to Austin that would be to the benefit of the enterprise to arrange a meeting of the shareholders in the coming year.
Date: October 10, 1830
Item Type: Refine your search to only Letter
Partner: The Dolph Briscoe Center for American History

Car-Coupling.

Description: Patent for a new and improved coupling for railroad cars. This design "relates to car-couplings; and it has for its object to provide a device of this character which shall be so constructed as to couple the cars automatically as they are brought together, and one which will securely hold the cars coupled, and yet allow a free movement of the same in turning curves" (lines 9-15).
Date: December 16, 1884
Creator: Jourde, Alfred John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boiler Attachment

Description: Patent for improvements in boiler attachments, to produce a thermostatic device of simple and improved construction which may be utilized for the purpose of actuating a valve governing the steam supply to the pump or the injector.
Date: June 28, 1913
Creator: Priester, Joel Ellis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Alarm Device.

Description: Patent for an alarm device "to be used in connection with a boiler and operatively connected with the steam whistle, whereby when the water falls below a certain level in the boiler the mechanism will automatically operate to blow the whistle" (lines 11-16). Includes instructions and illustrations.
Date: September 15, 1914
Creator: Priester, Joel E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for improvements to rotary engine designs.
Date: April 22, 1884
Creator: Griffin, George L.; Shoup, William A. & Cade, James Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Tire-Tool.

Description: Patent for a tool designed for mounting pneumatic tires on wheel rims.
Date: April 26, 1921
Creator: Boone, Daniel M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Metallic Compound.

Description: Patent for "the process of making alloys for journal-bearings" (lines 42-43) of more durable quality than those formed with "brass and bronzes" (line 10).
Date: August 4, 1885
Creator: Kavanaugh, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Blow Offs For Boilers

Description: Patent for Improvement in Blow Offs For Boilers provides details of the construction of the blow off device with two labeled Figures and descriptive text. Also includes the significance of the blow off device and how it will improve locomotive travel by conserving water.
Date: September 10, 1872
Creator: Husted, Esbon Forrest
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Car Coupling.

Description: Patent for automatic freight car coupler, including illustrations. The coupler "obviates the necessity of any one going between the cars while being coupled" (lines11-13).
Date: September 26, 1882
Creator: Chapman, John Edward Howard
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 "consists in the combination, with a draw-head, of an L-shaped lever pivoted in the same and provided at its angle with a lug, which L-shaped lever has a coupling-pin suspended from the end of the long arm, and has its short arm passed into an aperture in the inner end of a bar sliding in the bottom of the draw-head, whereby when the lug is depressed the coupling-pin will be raised and the bar in the draw-head will push the l… more
Date: June 12, 1883
Creator: Appell, Charles E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Nuclear (NRC)]

Description: B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: March 31, 1979, 5:30 p.m.
Duration: 46 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections

[Property tax receipt for Nicholas Negreta from Harrisburg Independent School District]

Description: Postcard sent to Nicholas Negreta for a property tax receipt No. 4858 from Harrisburg Independent School District, Harrisburg, Texas dated 1925 for $4.30 for lot 11, Block 2, Division MPS, Value $500. Sent to Nicholas Negreta at his address, 1014 Woodbury.
Date: unknown
Creator: Harrisburg Independent School District
Item Type: Refine your search to only Postcard
Partner: Hoston History Research Center at Houston Public Library

[Photograph of a Woman Named Mary]

Description: Photograph of a woman identified as "Cousin Mary" visible from the chest up. She is wearing a dark dress, a pendant watch tucked into her dress' buttons, and a cameo on her throat. The reverse side of the photo has a handwritten note that says "Cousin Mary wishing you a Merry Christmas."
Date: unknown
Creator: D. C. Burnite
Item Type: Refine your search to only Photograph
Partner: The Williamson Museum
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