UNT Libraries Government Documents Department - 9 Matching Results

This system will be undergoing maintenance April 18th between 9:00AM and 12:00PM CDT.

Search Results

Blanco Sheet

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 1:125000
Date: 1894
Creator: Geological Survey (U.S.)
Location: 30.25 -98.25

Car-Coupling.

Description: Patent for the invention of new and useful improvement to car-couplings. "This invention is an improved car coupling seeking among other improvements to provide simple, easily operated devices by which the cars may automatically couple..." (lines 7-10) Including instructions and illustrations.
Date: December 27, 1892
Creator: Vogt, August G.

Fredericksburg Sheet

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 1:125000
Date: 1894
Creator: Geological Survey (U.S.)
Location: 30.25 -98.75

Neck-Yoke.

Description: Patent for "a safety attachment for neck yokes which, if the neck yoke or the straps which connect it to the pole or to the collars break, will come into action and prevent the pole from dropping" (lines 8-13).
Date: July 24, 1894
Creator: Hobron, Charles B.

Tool for Sinking Wells.

Description: Patent for improvements in tools for sinking artesian wells, that the tool “will perform its duty under all circumstance and excavate as well in hard materials as in soft earth, as quicksand and cavey formations, and will not have its functions interfered with when an insufficient flow of water is encountered.” (Lines 17-22) Illustration is included.
Date: June 16, 1891
Creator: Stephenson, James D.
Back to Top of Screen