UNT Libraries Government Documents Department - 97 Matching Results

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Aldine Quadrangle

Description: 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 1:31680
Date: 1919
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 29.94 -95.44

Apparatus for Treating Hydrocarbons.

Description: Patent for an improved apparatus for treating hydrocarbons. This apparatus is for treating comparatively heavy petroleum and other hydrocarbon oils and their distillates and derivatives, in order to produce from such heavy oils a large yield of gasoline or other light, easily volatile liquids. This apparatus will be a safe and efficient way to produce large yield of gasoline and light hydrocarbon liquids from heavy oils and will be free from trouble arising from the accumulation of carbon.
Date: August 5, 1919
Creator: Andrews, Benjamin & Averill, Willard C., Jr.
Item Type: Refine your search to only Patent

Boring-tool.

Description: Patent for a device "designed particularly for boring out cylinders of internal combustion engines" (lines 12–13), includes illustrations.
Date: August 19, 1919
Creator: Dedman, Henry W.
Item Type: Refine your search to only Patent

Break-Out Pin.

Description: Patent for a modified break-out pin on an oil derrick which makes it easier to release a wrench for unscrewing pipes when done, but still holds the wrench in place while in use.
Date: October 21, 1919
Creator: Headrick, James O.
Item Type: Refine your search to only Patent

Burner.

Description: Patent for an inexpensive and efficient burner for oil "with a maximum production of heat." (lines 14-15) including illustrations.
Date: November 18, 1919
Creator: Upton, Arthur L. & Immer, Samuel N.
Item Type: Refine your search to only Patent

Clodine Quadrangle

Description: 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 1:31680
Date: 1919
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 29.69 -95.69

Clodine Quadrangle

Description: 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 1:31680
Date: 1919
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 29.69 -95.69

Conveyer System.

Description: Patent for "an improved conveyer system that will take a package and automatically carry it to any selected point along the system, discharge the package and return to the starting point" (lines 8-12), including illustrations.
Date: March 18, 1919
Creator: Hanak, Edward
Item Type: Refine your search to only Patent

Cooking-Stove

Description: Patent for a stove "with an oven, and a combustion chamber, so arranged . . . that the heat will completely surround said oven, said stove being equipped with a novel form of oil burner which is contained in the combustion chamber and adapted to utilize oil as a fuel" (lines 14-19).
Date: March 18, 1919
Creator: Cook, Charles F.
Item Type: Refine your search to only Patent

Core-Barrel.

Description: Patent for a core barrel for use in rotary drilling of oil or water wells, that will allow for easy extraction of the upwardly extending column of material.
Date: October 14, 1919
Creator: Humason, Granville A. & Childs, William L.
Item Type: Refine your search to only Patent

Crosby Quadrangle

Description: 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 1:31680
Date: 1919
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 29.94 -95.06
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