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Injection Apparatus

Description: Patent for an injection apparatus for use in adding chemicals to water supplies in sinks.
Date: July 5, 1910
Creator: Rodgers, Walter S.
Partner: UNT Libraries Government Documents Department

Low-Water Alarm For Boilers

Description: Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date: January 5, 1915
Creator: Anderson, Williamson D. & Shearer, Edward J.
Partner: UNT Libraries Government Documents Department

Pumping-Engine.

Description: Patent for a pumping engine that pumps air, water, oil, or other agents. It was designed to be used for air pumps on locomotives, inflating tires on automobiles, pumping water in steam operated machines, and other uses.
Date: June 5, 1917
Creator: Allison, Jesse H.
Partner: UNT Libraries Government Documents Department

Baling Press

Description: Patent for Baling Press
Date: September 5, 1916
Creator: North, George W.
Partner: UNT Libraries Government Documents Department

Slime Pulp Thickener.

Description: Patent for a "device for thickening slime or pulp, and particularly pertains to a structure similar to that disclosed in my co-pending application entitled "Slime pulp thickener," serial number 173,785, filed June 9, 1917, and of which the present application is a division" (lines 8-14). Additionally, described as a device that automatically releases thickened pulp when proper density is achieved.
Date: October 5, 1918
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Form For Concrete Vessels

Description: Patent for large, concrete vessels, meant as a mold to "be used again and again in building different vessels" (lines 17-18).
Date: November 5, 1918
Creator: Kroeger, Otto P.
Partner: UNT Libraries Government Documents Department

Fiber-Separating Machine.

Description: Patent for a new and improved fiber separating machine "in which the entire cleaning or separating of the fibers from the plant stock can be done in one operation" (lines 10-13).
Date: May 5, 1914
Creator: Parks, Michael Edward
Partner: UNT Libraries Government Documents Department

Film for Cameras.

Description: Patent for photographic film that contains alternating sensitized and non-sensitized sections for the purpose of creating an initial exposure view as a guide to use when taking a subsequent actual photograph.
Date: August 5, 1919
Creator: Sartorius, Oton; Gándara, José F. & Colonna, Benito
Partner: UNT Libraries Government Documents Department

Baling-Press

Description: Patent for bailing press including improvements in the compressor, feeder, and plunger-actuating mechanisms.
Date: June 5, 1917
Creator: North, George W.
Partner: UNT Libraries Government Documents Department

Advertising Device.

Description: Patent for an advertising machine that is motor-operated and will display a succession of slides that can be shown during the day or at night. It includes a light to help show slides to the public, a shutter that automatically and intermittently displays slides, a lens for projecting slides on a distant screen, and a master slide to be shown with each slide. The patent includes illustrations.
Date: August 5, 1913
Creator: Bernard, Oscar C.
Partner: UNT Libraries Government Documents Department
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