UNT Libraries Government Documents Department - 16 Matching Results

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Gatesville Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000

Date: 1920

Creator: Geological Survey (U.S.)

Item Type: Map

Location: 31.25 -97.75

Deep-Well Pump

Patent for a deep well pump. The pump allows for existing well casing can be adapted to support the pump and valves without being removed.

Date: March 2, 1920

Creator: Ligon, Arthur Lee

Item Type: Patent

Fly-Killing Device.

Patent for an improved fly swatter specifically for killing flies in harder to reach places, such as a wall or ceiling, and is "simple and inexpensive in construction" (lines 12-13).

Date: May 18, 1920

Creator: Hannon, George M.

Item Type: Patent

Restaurant Serving Mechanism

Patent for a restaurant serving mechanism. The mechanism is a wagon-like structure intended to make serving food and cleaning up tables a more streamlined process.

Date: June 30, 1920

Creator: Mabry, Raymond A

Item Type: Patent

Crate.

Patent for an improvement in crates that contains fruit in perfect condition without any bruising or mashing and can be stacked on top of each other.

Date: July 27, 1920

Creator: Woodruff, William Douglas

Item Type: Patent

Temple Sheet

Date: 1921

Creator: Geological Survey (U.S.)

Item Type: Map

Location: 31.25 -97.25

Animal-Trap

Patent for an animal trap which is to be sprung by the animal when the bait is touched. It is constructed in such a manner that the animal will be instantly killed. The metal parts of the trap are to create a strong and durable trap and to be manufactured at a small expense.

Date: April 5, 1921

Creator: Brewington, Philip Jennings

Item Type: Patent

Casing-Elevator.

Patent for a casing elevator used to remove casings of various diameters from wells. The main specialty of this invention is the use of hinged sections containing pivoted jaws to clamp around the casings.

Date: November 8, 1921

Creator: Boyter, Arthur J.

Item Type: Patent

Cotton Stalk Cutter and Insect Killer

Patent for improvements to mechanical cotton stalk cutting and insect destroying apparatus. The machine's object is "cutting the stalks into small pieces, and the crushing the stalks so as to crush and destroy insects which may be upon the withered stalks." (lines 26-29).

Date: September 5, 1922

Creator: Batla, Thomas H. & Holan, Heny J.

Item Type: Patent