UNT Libraries Government Documents Department - 172 Matching Results
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- Atlanta Quadrangle
- 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 1:62500
- Barnhart Quadrangle
- 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 1:62500
- Big Lake Quadrangle
- 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 1:62500
- Breckenridge 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
- The Fish and Oyster Laws of Texas
- Text of laws governing fishing and oyster culture, as well as regulation by the Game, Fish, and Oyster Commission. Index starts on page 61.
- Houston Heights Quadrangle
- 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
- Monument Spring Quadrangle
- 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 1:62500
- Official Records of the Union and Confederate Navies in the War of the Rebellion. Series 2, Volume 3.
- Records of the War of the Rebellion include copies of naval correspondence (reports, letters, telegrams, and general orders) from both the Union and Confederate Navies discussing their operations. According to the introduction in the first volume, the second series contains "reports, orders, and correspondence relating to -- 1. The condition of the Union Navy in 1861, before the commencement of hostilities, and to its increase during the progress of the war, including the annual and special reports of the Secretary of the Navy and chiefs of the various bureaus. 2. The construction and outfit of the Confederate Navy, including privateers, setting forth also the annual and special reports of the Confederate Secretary of the Navy and chiefs of bureaus. 3. Statistical data of all vessels, Union and Confederate, as far as can be obtained. 4. Returns of naval and military property captured by the navies of both sides during the war. 5. Correspondence relating to naval prisoners" (p. x). Index starts on page 1279.
- Park Place Quadrangle
- 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
- Reconnoissance soil survey of northwest Texas
- Soil survey of 22 counties in northwest Texas, just south of the Panhandle region. Included are Bailey, Cochran, Cottle, Crosby, Dickens, Floyd, Foard, Garza, Hale, Hardeman, Haskell, Hockley, Kent, King, Knox, Lamb, Lynn, Lubbock, Motley, Stonewall, Terry, and Yoakum Counties. Text describes the area, climate, agriculture, soils, and irrigation of these counties.
- Roby 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
- La Sal Vieja Quadrangle
- 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 1:62500
- La Sal Vieja Quadrangle
- 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 1:62500
- San Angelo 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
- Settegast Quadrangle
- 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
- Soil map, reconnoissance survey, northwest Texas sheet
- Map displays soil types along with creeks, lakes, rivers, counties, towns, experiment substations, and railroads. Includes legend and symbols.
- Soil Map, Texas, Denton County Sheet
- Map displays soil types along with creeks, rivers, roads, bridges, railroads, towns, schools, churches, stores, and experiment substations. Includes legend and symbols.
- Soil survey of Denton County, Texas
- Text describes climate, agriculture, and soils of Denton County, Texas.
- Stephenville 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
- Sweetwater 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
- Texarkana Quadrangle
- 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 1:62500
- Clothes Hanger.
- Patent for clothes hanger that is made of a singular piece of wire. The hanger also features the capability to hold an entire three piece suit: coat, vest, and trousers.
- Cultivator.
- Patent for a riding cultivator that keeps the shovel gangs positioned "parallel with the line of the draft, or with the longitudinal axis of the machine" (lines 19-21), by shifting them in the direction that the driver guides the wheels. The cultivator also provides a means to keep the depth of cultivation as uniform as possible when working on uneven ground or in different kinds of soil.
- Drafting Implement
- Patent for drafting implement, for laying out or plotting curves of different degrees and combining the functions of a plurality of implements into a single implement.
- Drift Valve.
- Patent for a drift valve for locomotive engines to effect automatic diversion of exhaust steam from the air pump to the smoke box, after the steam from the main throttle has been shut off.
- Drill Bit
- Patent for drill bit, adapted for use in boring (or drilling) of oil wells with bit shank and enlarged head of angularly mounted rotary cutters (for outward cutting of well walls).
- Hand Cotton-Picking Apparatus
- Patent for a hand cotton picking apparatus that can be conveniently carried by a farm hand for more efficiency.
- Resilient Tire Filler
- This patent addresses resilient tire fillers, presenting a novel approach by providing a filler for tire casings in segmented sections. Each section incorporates sealed, airtight cavities designed as radially arranged columns, ensuring the tire retains the full benefits of pneumatic resistance and resiliency.
- Turntable.
- Patent for an improved turntable "designed to be attached to and carried beneath a motor car" (lines 12-13) that would allow the car (train car) to be elevated or lowered onto railroad tracks. The device includes a base, pedestals, and a rotatable base.
- Dynamo-Electric Machine
- Patent for a new and useful improvement in a dynamo-electric machine to provide a rotor in which certain coils of the winding are automatically cut out and utilized as open coils to prevent the turns in those coils from having a demagnetizing action. Another objective is to provide a rotor whose core consists of non-magnetic material to refuce the inductance and self-induction of the winding and the sparking at the commutator due to the shifting of the magnetic field and the neutral or point of commutation.
- Insect Destroyer.
- Patent for an insect destroyer, specifically for the destruction of boll weevils and similar insects. The invention uses heat as the destruction agency and is portable, designed to travel along a row of plants.
- Method of Purifying Oils
- Patent for a new and useful improvement in the method of purifying oils, particularly applicable to cracked gasoline.
- Roller-Bearing Swivel Wrench Plate.
- Patent for improvements on Roller-Bearing Swivel Wrench Plates, including illustrations. The goal of this invention is to make the plates more efficient "for use with any suitable fishing tool, or bit for use in oil fields or water well drilling" (lines 12-14).
- Sash Lock
- Patent for an improvement for window sash locks, with an improved ability to hold windows in place.
- Steering Device and Brake for Tractors
- Patent for new and useful improvements for the steering and stopping of tractors, particularly for the machines that are extremely difficult and laborous to manually steer and apply brakes. The invention permits the controlling of the direction of movement of the behicle by disconnecting the source of power from the wheel(s) at one side while those at the other side contrinue to rotate under power. The invention allows for braking to be used to slow the motion of the tractor on downward grade or when it is desired to stop.
- Tractor.
- Patent for improvements to a previous patent application for a tractor (Serial No. 399599, filed 1920-07-28). The improvements include rearrangements of parts for the driving wheels from the front to the rear and the rearrangement of the transmission housing.
- Automobile Block.
- Patent for improvements to automobile blocks, specifically employed for pulling automobiles from muddy or other places where the power of the car cannot be utilized. The patent is for a small, portable device that can be conveniently carried in the vehicle.
- Dental-Broach Holder.
- Patent for a dental broach holder that can be easily cleaned, and that includes certain structural elements that keep a dental broach more secure during use. The broach fastens on the outside of the holder, the mechanism of which "[prevents] loss of the broach in the patient's mouth during operation" (lines 92-94).
- Mold.
- Patent for a new, improved Mold "specially designed for the formation of the rings of packing such as is used in stuffing boxes for packing metallic rods" (lines 11-14), illustrations included.
- Mousetrap
- Patent for a mousetrap that is an improvement to the average mousetrap, but new in the sense that it can be made in various proportions or sizes for a variety of vermin.
- Trailer for Land Vehicles.
- Patent for a trailer attachment for land vehicles, particularly automobiles.
- Fishing Device for Oil Wells.
- Patent for "fishing devices for use in oil wells or in like situations for recovering parts of the drilling appliances which may have become detached or lost in the well" (lines 9-13).
- Fuse carrier.
- Patent for a fuse "holder which carries a number of fuses, capable of being brought into proper position to provide a fresh fuse in the event of the burning or blowing out of one of the fuses" (lines 9-13). The carrier inside the holder is removable (line 15); as carried in this holder, the fuses are "held under strong tension," with a mechanism allowing easy retrieval of a "fresh fuse" if necessary (line 18).
- Map Hanger
- Patent for improvements in map hangers. The purpose is to provide a map exhibiting hanger to use in support for a plurality of maps, particularly maps that have information on the back.
- Player Piano
- Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
- Well-Drilling Tool.
- Patent for a well-drilling tool adapted for use in a sticky shale or similar formations.
- Counterbalancing and Adjustable Sash for Windows.
- Patent for window sashes made of two separate sections, one for the upper portion and the other for the lower portion of a window. Each sash section can be operated independently from the other by mechanisms on the right and left side of the window.
- Direction Signal for Automobiles.
- Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.
- Electric Water Heater
- Patent for improvements to electric water heaters adapted for heating small bodies of water. The interior walls of the cylinders in the heating unit are perforated so that water can freely circulate through and between them.
- Fish-Catching Device
- Patent for an improvement in fish-catching devices which provides a bait-holding device in a horizontal position and the ability to completely conceal the fish-catching device within the bait, including illustrations.