UNT Libraries Government Documents Department - 21 Matching Results

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Combination Valve and Cap Tool

Description: Patent for a combination valve cap and stem used to ease the process of deflating pneumatic tires by eliminating the need to keep track of a separate cap piece when removing the valve core, including illustrations and instructions for use.
Date: May 7, 1918
Creator: McComb, William Perry
Item Type: Refine your search to only Patent

Chain-Lock.

Description: Patent for an improvement in chain-locks. The improvement locks one end of a log chain to a car so that it cannot be accidentally released.
Date: October 1, 1918
Creator: Clarkson, Jay Caleb.
Item Type: Refine your search to only Patent

Shock-Absorber

Description: Patent for improved shock absorbers. The invention is designed to help them be adapted for every type of vehicle. They are cushioned and provide a casing for liquid to help with shock absorption.
Date: March 26, 1918
Creator: Donahoo, John Henry
Item Type: Refine your search to only Patent

Self-Cleaning Harrow and Cultivator.

Description: Patent for a harrow and cultivator "which is self-cleaning in that, by manipulation of certain mechanism embodied in the machine, the teeth or shovels are caused to rotate about axes, giving up any stalks, grass, or other fibrous matter which may cling to the teeth or shovels impeding the working of the soil" (lines 15-21).
Date: January 29, 1918
Creator: Miner, John C.
Item Type: Refine your search to only Patent

Nut Lock

Description: Patent for a mechanism to lock a nut in place on a bolt that also automatically releases when a wrench is applied to turn the nut.
Date: August 4, 1914
Creator: Edwards, Whitfield H.
Item Type: Refine your search to only Patent

Railway-Rail Brace.

Description: Patent for a new railway-rail brace designed "particularly to be used on curves of rail-way tracks, and which ties the rails as to prevent spreading of said rails" (lines 13-16), including illustrations.
Date: July 4, 1916
Creator: Barnes, Ned Eastman
Item Type: Refine your search to only Patent

Weeden 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: 30.06 -95.31

Hockley 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: 1916
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.06 -95.81

Spring 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: 1916
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.06 -95.44

Spring 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: 1916
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.06 -95.44

Rose Hill 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: 1916
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.06 -95.69
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