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Water Quality in the Blaine Aquifer of Texas

Description: "The purpose of this report is to describe the water quality of the Blaine Aquifer, particularly as compared with public drinking water standards, and to analyze, if possible, any changes in water quality over time."
Date: May 2011
Creator: Hopkins, Janie & Muller, Chris
Partner: UNT Libraries Government Documents Department

Corn-Heading Knife.

Description: Patent for a corn cutting knife that straps to the hand and protects the fingers for a more efficient harvesting of corn and maize.
Date: May 2, 1916
Creator: Buchanan, Lemuel O.; Maddox, John S.; Russell, James P. & Speers, Albert
Partner: UNT Libraries Government Documents Department

Lock

Description: Patent for a lock used to secure the openings of grain bags. Illustrations included.
Date: May 17, 1910
Creator: Chambless, James A.
Partner: UNT Libraries Government Documents Department

Drag-Harrow.

Description: Patent for an improved drag harrow for plowing soil. "The primary objective of the invention is to provide a soil pulverizer in which a rotary grinding action is produced by the drawing of the apparatus across the soil" (lines 10-13).
Date: May 19, 1914
Creator: Kramer, Frank
Partner: UNT Libraries Government Documents Department

Churn

Description: Patent for a churn that can produce butter in very short period of time with minimal effort.
Date: May 19, 1913
Creator: Hoefer, Charle,s Jr.; Belt, Marcus L., Jr. & Belt, William R.
Partner: UNT Libraries Government Documents Department

Automatic Train-Stop

Description: Patent for Automatic Train-Stops "particularly to a system operable in connection with well-known airbrake systems to apply the airbrakes, and shut off the power when an accident of a predetermined character occurs." (lines 10-14) including instructions and illustrations.
Date: May 16, 1916
Creator: Estes, Betram P.
Partner: UNT Libraries Government Documents Department

Cement.

Description: Patent for cement that is better or equivalent to Keene's cement from England, made from pure gypsum and various chemicals and only calcinated once.
Date: May 7, 1907
Creator: Jones, Thomas
Partner: UNT Libraries Government Documents Department
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