UNT Libraries Government Documents Department - 8 Matching Results

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Blanco 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
Dental Plate
Patent for an improved dental plate design that fits better in the mouth of the user and allows for easier speaking and eating.
Fredericksburg 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
Internal-Combustion Engine.
Patent for a new and improved device within internal combustion engines "whereby water is converted into steam, and then delivered into the combustion chamber of an internal combustion engine" (lines 13-16). Includes illustrations.
Oil - Tank Gage.
Patent for invention of a gage which measures the depth of oil in a tank. This generally lowers the pole in tank until it touches oil.
Slicer.
Patent for an improved kitchen slicer with "a plurality of parallel blades which are secured to a stock or handle so that the entire cutting edges thereof will be arranged beneath the stock or handle and can be readily used for cutting bread, meats and vegetables" (lines 14-19), with illustrations.
Tobacco-Pouch.
Patent for a tobacco pouch that will fit easily into pockets and hands while still holding the maximum amount of tobacco. There are also improvements on the ease of getting the tobacco out of the pouch.
Vehicle-Spring
Patent for an improvement to springs "designed particularly for use upon carriages, wagons, and motor or other cars" (lines 11-13).
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