UNT Libraries Government Documents Department - 22 Matching Results

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Air-Brake.
Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Austin 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
Buggy-Shaft Brace.
Patent for buggy shaft braces for connecting the shaft and cross bar of a vehicle, in order to eliminate malfunction of cross bar.
Car-Replacer
Patent for improved replacers for derailed railroad cars, complete with illustrations.
Cattle-Guard
Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Combination-Flue
Patent for a flue which will not crack and open, due to settling or to transverse strain. Also to provide means whereby the flue may be supported from the joists of a ceiling, against settling.
Copy Holder
Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Cotton-Chopper.
Patent for a cotton chopper with rotating blades.
Furnace-Forming Die
Patent for a die for fashioning a furnace for cooking and ironing. Illustrations included.
Milk-Strainer and Support Therefor.
Patent for a milk strainer that prevents splashing and spilling of milk. The strainer will rest on top a separate supply tank that collects milk without the need for a person to hold the strainer.
Motion-Picture-Film Cleaner.
Patent for improvement in motion picture film cleaners which quickly and efficiently removes oil, dirt and grease from film that has been caused by the machines; includes illustrations.
Pneumatic Conveyer
Patent for pneumatic conveyor to handle cotton seeds that are being discharged. This particular conveyor uses air currents to operate it.
Railway-Track Brace
Patent for a brace for railway tracks. Illustrations included.
Rolling Cattle-Guard.
Patent for a serrated device that prevents cattle from escaping.
Rug-Hanger.
Patent for the improvement of rug-hangers. The invention consists of multiple rollers that facilitate both the mounting and disengagement of rugs or other large flexible articles of merchandise from the hanger.
Safety Razor
Patent for a safety razor.
San Marcos 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
San Marcos 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
Switch-Stand.
Patent for a switch stand that automatically switches to danger when unlocked and has independently rotating switch operating spindles and target spindles.
To
Patent for claw hammer.
Vise and Saw-Clamp
Patent for improvements to vise and saw clamps complete with illustration.
Vise and Saw Clamp
Patent for a vise and a saw clamp
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