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Apparatus for Separating Liquids in Emulsion.

Description: Patent for improved apparatus for separating liquids in emulsion (relates to improved apparatus for separating one liquid from another) when found in emulsion and has especial reference to means for rapidly and effectually dehydrating petroleum oil emulsion.
Date: May 27, 1919
Creator: McKibben, Charles W.
Partner: UNT Libraries Government Documents Department

Apparatus for Sizing Ores or for Other Uses

Description: Patent for an apparatus for sizing ores. This invention is to "accomplish and accurate or approximately accurate sizing or classification of ores or granular materials in a rapid and thorough manner and with as large a capacity as possible" (line 15-19) illustrations included.
Date: June 23, 1903
Creator: Swain, Seth Russell
Partner: UNT Libraries Government Documents Department

Automatic Gas-Release Packer.

Description: Patent for automatic gas release packer that uses constant pressure regulated by spring-controlled valves for better control when lifting oil out of wells.
Date: April 11, 1922
Creator: Cummings, William J.
Partner: UNT Libraries Government Documents Department

Belt Lifter for Bull Wheels

Description: Patent for belft lifters for bull wheels for providing "a simple and efficient belt manipulating device peculiarly adapted to be used in connection with bull wheels of well drilling machinery" (line 11-14).
Date: March 23, 1915
Creator: Edward Peterson
Partner: UNT Libraries Government Documents Department

The Big Job: Basic Magnesium News Letter, Number 30, January 21, 1943

Description: Newsletter published by Basic Magnesium Inc. that discusses various topics regarding the company, the magnesium industry, and news local to the town in which the company is located. One article included is about the dormitory room decoration former Woman Airforce Service Pilot, Charlyne Creger.
Date: January 21, 1943
Creator: Basic Magnesium, Incorporated
Partner: National WASP WWII Museum

Bit for Well-Drilling Apparatus.

Description: Patent for an expansion bit for a well-drilling apparatus that can be "adjusted and removed without without withdrawing the well tubing, and to provide means whereby a bit capable of drilling a hole sufficiently larger than the well tubing to accommodate a casing may be introduced through the tubing" (lines 11-16).
Date: April 3, 1894
Creator: Horton, Stephen A.
Partner: UNT Libraries Government Documents Department

Caisson-Driver.

Description: Patent for an improved machine that sinks caissons into gravel or mud in order to make a foundation for breakwater, jetty, bridge, or similar purpose. It applies continuous and heavy pressure to the caisson during operation, and "is provided with a jet apparatus to force the sand and mud from within the caisson and cause it to settle around the outer portion of the same, thus holding it firmly in place, and which in general enables a caisson foundation to be laid with great facility and in a su… more
Date: April 4, 1893
Creator: Perrenot, Theodore F.
Partner: UNT Libraries Government Documents Department

Car-Coupling.

Description: Patent for a simple and inexpensive car-coupling that improves on the pin-and-link car-couplings and "will be capable of coupling automatically and which may be readily uncoupled without going between cars" (lines 13-15). After the car has been separated, this coupling automatically puts its parts in position to be re-coupled. It also enables a "flying kick" to be transmitted to the car.
Date: November 24, 1896
Creator: Lee, Charles
Partner: UNT Libraries Government Documents Department

Carta general del Estado de Coahuila de Zaragoza : formada por Disposición del Gobierno del mismo Estado.

Description: Map shows early twentieth century roads, railroads, towns, mineral resources, haciendas, and ranches in Coahuila de Zaragoza [Coahuila] in northern Mexico. Includes legend and illustrations. Insets: "Zaragoza," "Coahuila Coal Co., washer plant & coke ovens," and "Compañía Metalurgica de Torreón, S.A." Relief shown by hachures and spot heights. Scale [ca. 1:500,000].
Date: 1905
Creator: Abbott, T. S.
Partner: University of Texas at Arlington Library

Carta generale dell'America Settentrionale.

Description: Map shows mid-nineteenth century geography, cities, and political borders in North America. Includes text in Italian regarding statistics on land area, population, land acquisitions by the United States, and information on mineral deposit sites and geologic formations. Texas is shown as part of the United States. Relief shown by hachures. No scale indicated.
Date: 1842
Creator: Real Litografia Militare
Partner: University of Texas at Arlington Library

Carte du Mexique et pays limitrophes situés au nord et à l'est : dressée d'après la grande carte de la Nouvelle Espagne de Mr. A. de Humboldt et d'autres matériaux.

Description: Map shows early nineteenth century towns, political divisions, areas of Native American habitation, major cities and and mining activity in Mexico and neighboring countries. Relief shown by hachures. Scale [ca. 1:8,000,000].
Date: 1811
Creator: Poirson, J. B. (Jean Baptiste), 1760-1831
Partner: University of Texas at Arlington Library

Carte du Mexique et pays limitrophes situés au nord et à l'est : dressée d'après la grande carte de la Nouvelle Espagne de Mr. A. de Humboldt et d'autres matériaux.

Description: Map shows early nineteenth century towns, political divisions, areas of Native American habitation, major cities and and mining activity in Mexico and neighboring countries. Relief shown by hachures. Scale [ca. 1:8,000,000].
Date: 1811
Creator: Poirson, J. B. (Jean Baptiste), 1760-1831
Partner: University of Texas at Arlington Library

Casing-Pulling Device.

Description: Patent for providing a casing pulling device of simple, compact and durable construction that will permit it being lowered into a well casing without being obstructed in its descent by irregularities or bends in the casing so as to ensure proper operation.
Date: 192X
Creator: Carter, George W. & Hayden, R.B.
Partner: UNT Libraries Government Documents Department

Classifier and Separator.

Description: Patent for classifiers and separators used in mining to separate solids and liquids in the tank. It allows for easy removal and replacement of parts as they wear.
Date: March 19, 1918
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

[Coal miner]

Description: Photograph of a coal miner wearing a headlamp while using a hand crank drill in a mine. A pickaxe lays on the ground near the miner.
Date: 195X
Creator: Clark, Joe
Partner: UNT Libraries Special Collections
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