UNT Libraries Government Documents Department - 14 Matching Results

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Air Brake
Patent for air brakes. Illustration included.
Blind-Slat Fastener.
Patent for improvements in shutter attachments, in which it locks the slats in place at a desired angle. Illustration is included.
Chain Jack.
Patent for new and useful improvements in chain-jacks. "This invention aims to provide a chain-jack for lifting the boxes of axles, so that the bearings or brasses therefor can be readily replaced, and is designed especially for use in cases of hot boxes on railway-cars" (line 11-15).
Combination Tool
Patent for a combination tool. This invention combines tools for a variety uses and box to hold small items. Illustration included.
Combined Land Roller, Furrow Opener, And Marker
Patent for a device that combines the function of a land-roller, furrow opener, and marker. Illustration included.
Composition for Removing Boiler-Scale
Patent for "an extract of the plant know to botanists by the name 'Larrea Mexican,' to be used in removing boiler-scale and in preventing the reformation of the same" (lines 9-13).
Folding Cot
Patent for
Lock
Patent for a lock. Illustrations included.
Lock
Patent for a lock. Illustrations included.
Lubricator.
Patent for a lubricating device for use on railroad cars, which continuously supplies lubricant to the journal box of the train car.
Multiple Telegraph
Patent for "a simple device of this character by means of which any one of a number of instruments or translating devices at a distance may be operated over a single line-wire and by means of a single flow of electric current through said wire" (lines 10-15).
Rotary Engine
Patent for a rotary engine. Illustration included.
Soil map, Texas, Laredo sheet
Map displays soil types along with arroyos, creeks, rivers, ranches, towns, cemeteries, roads, and railroads. Legend includes soil profiles.
Soil survey of the Laredo area, Texas
Text describes the area, climate, agriculture, soils, and irrigation of the Laredo area of Texas.
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