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Coupling-Pin.

Description: Patent for a coupling pin for railroad cars, which prevents the coupling from coming loose accidentally by having a key which locks the coupling in place and can only be undone by the cars operating systems. when it is time to disconnect the car.
Date: July 23, 1907
Creator: Yeiser, John Clarke
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Churn-Dasher

Description: Patent for an improved churn dasher "to thoroughly agitate the cream at the center of the churn-body and also around the bottom of the walls thereof" (lines 13-15) and "also to cause tangential streams or currents at the bottom of the churn, so as to thoroughly agitate all of the cream and effectively intermingle the air therewith" (lines 18-22), including illustrations.
Date: October 23, 1900
Creator: Franklin, Edward R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton chopper designed so that the blade moves "transversely across a standing row of plants" (lines 15-16). Illustrations included.
Date: February 23, 1909
Creator: Ellis, Thomas Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Brick Machine.

Description: Patent for a new and improved brick machine. This design consists in "a mold-wheel mounted to revolve in the horizontal plane and provided with mold-cavities, of a vertically-movable plunger in each cavity, a door for each cavity hinged on the top of the wheel, the hinge plate or lug attached to the mold-wheel being slotted to allow a vertical movement of the hinge-pin, a curved arm pivoted over the top of the mold-wheel and extending over part of the same, and a spring acting on the swinging e… more
Date: November 23, 1886
Creator: Thaison, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Street Car Bridge over Waller Creek]

Description: Photograph of the street car bridge over Waller Creek located at 1st and Red River. People are standing along the bridge and there is a home in the background. Note on photograph reads: "Street car bridge 1st & Red River Austin, Tex. 4-23-15."
Date: April 23, 1915
Item Type: Refine your search to only Photograph
Partner: Austin History Center, Austin Public Library

[Tiny Tots - Austin Athletic Club]

Description: Photograph of eight young children sitting on a bench, mimicking gestures made by their instructor. Caption on back reads: "Tiny Tots- 1963, Austin Athletic Club. (Brunette girl in center is daughter of John Bustin)."
Date: July 23, 1963
Creator: City of Austin
Item Type: Refine your search to only Photograph
Partner: Austin History Center, Austin Public Library

King and I - 1966

Description: Photograph of musicians in orchestra pit and actors at production of "The King and I" at Zilker Hillside Theater.
Date: August 23, 1966
Creator: Vaughn, Ronald
Item Type: Refine your search to only Photograph
Partner: Austin History Center, Austin Public Library

Sulfuric-Acid Process of Extracting Precious Metals From Solutions

Description: Patent for "new and useful Imporivements in Processes of Recovering Precious Metals from Their Solutions, and which I designate as the 'Sulfuric-Acid Process;' [...] to separate the precious metals from their cyanid solutions in a rapid and thorough matter and to recover the precious metals from solutions thereof." (lines 5-8 & 22-26)
Date: June 23, 1903
Creator: Bahn, Gustavus A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut-Cracking Machine.

Description: Patent for a machine that helps crack and break down nuts for processing, including instructions and illustrations.
Date: November 23, 1886
Creator: Koerber, Rudolph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Generating Oil Burner

Description: Patent for generating oil burner. This invention "relates to apparatus by which steam is generated and petroleum or a hydrocarbon reduced to vaporous condition and mixed or combined with the steam" (line 8-12). Illustrations included.
Date: May 23, 1905
Creator: Spiller, Philip Samuel & Haldeman, Horace P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Refrigerating Apparatus.

Description: Patent for an economic and durable refrigerating apparatus that cools food by "reducing the temperature of the air in a partially closed chamber by the evaporation of water brought about through the medium of capillary attraction, and likewise to provide for automatically maintaining a predetermined level of water in the water chamber of the apparatus, and a thorough ventilation of the refrigerating chamber thereof" (lines 16-24).
Date: October 23, 1894
Creator: Carleton, Ernest William & Odell, James Madison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Protractor.

Description: Patent for "improvements in drafting instruments and has particular application to a protractor or plotter." (lines 8-10)
Date: December 23, 1913
Creator: Ward, Walter P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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