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Process of Purifying Oil

Description: Patent for using aluminum chlorid compounds to clean crude oil. Which is apart of the petrochemical process of oil purification.
Date: August 5, 1919
Creator: Miller, Albert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

The Southwestern Historical Quarterly, Volume 22, July 1918 - April, 1919

Description: The Texas State Historical Association Quarterly Report includes "Papers read at the meetings of the Association, and such other contributions as may be accepted by the Committee" (volume 1, number 1). These include historical sketches, biographical material, personal accounts, and other research. Index is located at the end of the volume starting on page 367.
Date: 1919
Creator: Texas State Historical Association
Item Type: Refine your search to only Journal/Magazine/Newsletter
Partner: Texas State Historical Association

Soil Survey of Jefferson County, Texas

Description: Text describes climate, agriculture, and soils of Jefferson County, Texas.
Date: November 10, 1915
Creator: Carter, William T. (William Thomas); Schoenmann, L. R. (Lee Roy Adolph); Bushnell, T. M. (Thomas Mark) & Maxon, E. T.
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department

[Letter from Chaplain J. E. Doherty to Miss Shafford, October 13, 1918]

Description: Letter from Chaplain J. E. Doherty to Miss Shafford, October 13, 1918. In the letter, Doherty is inquiring about their friend in the war and their well-being. Writteno on the envelope reads "Letter, 1918, With U.S. Flag On it, Concerning the well-being of a friend of Miss Shafford in World War".
Date: October 13, 1918
Creator: Doherty, J. E.
Item Type: Refine your search to only Letter
Partner: UNT Libraries Special Collections

Wrench.

Description: Patent for wrench related device "for locking the gripping element after it is applied to the pipe or other pipe (lines 14-15)" including instructions and illustration.
Date: October 19, 1915
Creator: Black, Lee J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Viscoscometer.

Description: Patent for a device that accurately determines the viscosity of different liquids, particularly oils, and is able to be kept at a uniform temperature.
Date: June 13, 1916
Creator: Lorenz, Charles O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Variable-Speed-Transmission Gearing.

Description: Patent for an improved transmission gearing that provides "variable speed transmission gearing" (line 10) which allows for different forward and reverse speeds, including illustrations. The variable speed transmission gearing is designed primarily for automobiles and motor vehicles.
Date: October 5, 1915
Creator: Maschek, Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve-Operating Mechanism

Description: Patent for Valve Operating Mechanism that includes "new and useful improvements" (lines 5-6), and "has for its primary object to provide a simple and efficient means for operating a valve at a distance" (lines 10-12).
Date: September 10, 1918
Creator: Baurens, Jean Marie, Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lawn Mower

Description: Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.
Date: December 5, 1919
Creator: Coniglio Carmelo
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lubricating Appara

Description: Patent for a lubricating apparatus used for internal combustion engines, whereby the lubricant or oil is forced, as by a pump, to a distributing tank containing oil under predetermined pressure, and from said tank permitted to drop by gravity or flow under pressure, as desired, to the elements of the engine to be lubricated.
Date: December 12, 1916
Creator: Shaw, Robert J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater for use in creating steam for oil and gas boilers, which heats faster than previous models.
Date: April 5, 1910
Creator: Hardie, Jeffie Watkins
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Water-Wheel

Description: Patent for a water wheel adapted for use in running machinery such as pumps. It uses a series of connected buckets mounted to turn on an axle, alternately charging the buckets with water.
Date: January 30, 1912
Creator: Verde, Giuliano
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wave Motor

Description: Patent for an improvement to wave motors, intended to use "the force of waves as motive power for operating machinery" (lines 9-10).
Date: July 11, 1911
Creator: Ford, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Lightning-Protecting System for Oil-Tanks.

Description: Patent for an improved system that is used for protecting oil tanks from getting struck by lightning and can get put on existing structures to ground them. The patent includes instructions and an illustration.
Date: March 14, 1916
Creator: Gunthorpe, Charles Henry
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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