UNT Libraries Government Documents Department - 1,034 Matching Results

Search Results

Triple-Valve Mechanism.

Description: Patent for a triple-value mechanism that "appertains to automatic fluid pressure brake systems and involves certain improvements &c., &c.” (lines 9-11) including instructions and illustrations.
Date: December 8, 1914
Creator: Atwood, Walter F.

Car-Coupling.

Description: Patent for a car coupling that consists of a draw head with two separable jaws, a hand wheel mounted on the car, pitmen connected to the wheel and the jaws, springs pressing the jaws together, and a shaft that has a crank arm.
Date: November 7, 1893
Creator: Cassidy, William A. & McGee, Thomas F.

Rope Guide and Protector.

Description: Patent for improvements to rope guides and protectors for "unloading grain from cars, to prevent the rope from wearing during its passage around the door jamb of the [train] car, and also to prevent friction during such passage of the rope" (lines 14-18).
Date: July 27, 1915
Creator: Early, Allen

Ditching-Machine

Description: Patent for "a machine for digging ditches or trenches of any desired depth or width, for purposes of irrigation or drainage or pipe-laying, or for building earth fences on lands, or throwing up fortifications, or for making other excavations of like general nature" (lines 7-13).
Date: December 18, 1888
Creator: Edwards, Charles Clark

Regional Water Plan: Region A (Panhandle), 2016, Volume 1. Main Report

Description: Water plan for Panhandle Region describing water supply locations and suppliers by county, the state of the water supply in the area, forecasts for future usage numbers, management and conservation plans for both suppliers and users in each county, drought plans, impacts of implementation of the water plan, and the plan making process.
Date: November 17, 2015
Creator: Freese and Nichols, Inc.

Interior Bracing For Silos

Description: The invention relates to silos and the removable devices that prevent the silos from collapsing when empty. The object is to provide wooden stave silos with certain adjustable and economical braces which are easily and quickly applied. It will be highly efficient in preventing the blowing down or collapsing of silos when empty. They would also be able to be easily and quickly removed when the silos are being filled.
Date: August 31, 1915
Creator: Galbraith, Henry William

Ady Quadrangle

Description: Satellite image 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 1:24,000
Date: 2010
Creator: Geological Survey (U.S.)
Location: 35.44 -102.19

Ady 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 1:24,000
Date: 1966
Creator: Geological Survey (U.S.)
Location: 35.44 -102.19

Ady 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 1:24000
Date: 1969
Creator: Geological Survey (U.S.)
Location: 35.44 -102.19

Ady 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 1:24000
Date: 2012
Creator: Geological Survey (U.S.)
Location: 35.44 -102.19

Ady 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 1:62500
Date: 1968
Creator: Geological Survey (U.S.)
Location: 35.38 -102.12

Ady 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 1:62500
Date: 1958
Creator: Geological Survey (U.S.)
Location: 35.38 -102.12
Back to Top of Screen