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Surveying Instrument.

Description: Patent for new and improved surveying instrument for use "in calculating the distance between the point of 'setting up' and the target, without the use of the usual linear chain" (lines 12-15). Illustration and instruction included.
Date: March 7, 1916
Creator: Adams, J. S.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a content chopping device with an adjustable lever and cutters. The cotton chopper can be attached to different cultivator frames (farm equipment) and adjusted to chop or thin out different rows of cotton stalks (or other plants).
Date: March 23, 1915
Creator: Adams, Joe B. & Miller, Lawrence M.
Partner: UNT Libraries Government Documents Department

Broom or Brush

Description: Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S.
Partner: UNT Libraries Government Documents Department

Guard-Rail Clamp.

Description: Patent for guard rail clamps to securely clasp guard rails with the main rail with features such as spikes and braces.
Date: March 12, 1912
Creator: Akers, Harry R.
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

Overflow Control for Separating Tanks.

Description: Patent for improved overflow control for separating tanks, accounting for, "slime thickness, settling tanks, separating tanks, and the like," ensuring, "uniform overflow." (lines 8-10; 27), with instructions and illustrations.
Date: March 4, 1919
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department
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