Latest content added for UNT Digital Library Searchhttps://digital2.library.unt.edu/search/?t=fulltext&fq=str_location_county%3AJefferson+County%2C+TX2020-07-01T08:02:25-05:00UNT LibrariesThis is a custom feed for searching UNT Digital Library SearchOil Trap2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258759/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258759/"><img alt="Oil Trap" title="Oil Trap" src="https://texashistory.unt.edu/ark:/67531/metapth1258759/thumbnail/"/></a></p><p>Patent for improvements to floating oil traps. Floating oil traps are used to catch excess oil floating on top of refinery discharge canals. These improvements include increased flexibility, thus allowing the trap to move with the flow of the water.</p>Chuck.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258829/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258829/"><img alt="Chuck." title="Chuck." src="https://texashistory.unt.edu/ark:/67531/metapth1258829/thumbnail/"/></a></p><p>Patent for chucks that secure pipes, preventing movement when being cut or threaded, including illustrations.</p>Collapsible Rim.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258999/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258999/"><img alt="Collapsible Rim." title="Collapsible Rim." src="https://texashistory.unt.edu/ark:/67531/metapth1258999/thumbnail/"/></a></p><p>Patent for new and useful improvements related to demountable rims that are collapsible. This improvement facilitates the removal of a tire in an easier and expeditious manner.</p>Change-Speed Mechanism for Tractor-Truck Motor-Vehicles2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259079/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259079/"><img alt="Change-Speed Mechanism for Tractor-Truck Motor-Vehicles" title="Change-Speed Mechanism for Tractor-Truck Motor-Vehicles" src="https://texashistory.unt.edu/ark:/67531/metapth1259079/thumbnail/"/></a></p><p>Patent for a machine that can be used either as a truck for traveling over highways or as a tractor for farm work.</p>Can-Closure2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258079/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258079/"><img alt="Can-Closure" title="Can-Closure" src="https://texashistory.unt.edu/ark:/67531/metapth1258079/thumbnail/"/></a></p><p>Patent for general use to securely close cans containing liquid so that invisible tampering, evaporation, and contamination cannot occur.</p>Process of Purifying Oil2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258121/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258121/"><img alt="Process of Purifying Oil" title="Process of Purifying Oil" src="https://texashistory.unt.edu/ark:/67531/metapth1258121/thumbnail/"/></a></p><p>Patent for using aluminum chlorid compounds to clean crude oil. Which is apart of the petrochemical process of oil purification.</p>Direction Signal for Automobiles.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257611/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257611/"><img alt="Direction Signal for Automobiles." title="Direction Signal for Automobiles." src="https://texashistory.unt.edu/ark:/67531/metapth1257611/thumbnail/"/></a></p><p>Patent for lit directional signal for automobiles that indicates driver's intention to stop or to turn left or right, including illustrations.</p>Dry Closet.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257731/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257731/"><img alt="Dry Closet." title="Dry Closet." src="https://texashistory.unt.edu/ark:/67531/metapth1257731/thumbnail/"/></a></p><p>Patent for improvements in dry closets with an illustration. The improvements patented are specific to separating "fecal matter and urine" (line 15).</p>Electrical Apparatus for Heating Stills, Boilers, and the Like.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257203/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257203/"><img alt="Electrical Apparatus for Heating Stills, Boilers, and the Like." title="Electrical Apparatus for Heating Stills, Boilers, and the Like." src="https://texashistory.unt.edu/ark:/67531/metapth1257203/thumbnail/"/></a></p><p>Patent for "Improvements in Electrical Apparatus for Heating Stills, Boilers, and the like" (lines 6-8) that uses electricity and includes "a heating element which is not affected by repeated changes in temperature, which is adapted to present a heating surface of large area, which may be raised to a high temperature with a low current, and which is many times more economical in use than metal coils possessing less heat radiating powers" (lines 21-28) including illustrations.</p>Automatic Safety Target.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258613/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258613/"><img alt="Automatic Safety Target." title="Automatic Safety Target." src="https://texashistory.unt.edu/ark:/67531/metapth1258613/thumbnail/"/></a></p><p>Patent for a target device for pistols and rifles which allows for the motion of the target being hit to move another target into view.</p>Building Construction.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258599/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258599/"><img alt="Building Construction." title="Building Construction." src="https://texashistory.unt.edu/ark:/67531/metapth1258599/thumbnail/"/></a></p><p>Patent for "new and useful improvements in building construction" (lines 9-11), including illustrations.</p>Combination Dripper and Steeper2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258063/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258063/"><img alt="Combination Dripper and Steeper" title="Combination Dripper and Steeper" src="https://texashistory.unt.edu/ark:/67531/metapth1258063/thumbnail/"/></a></p><p>Patent for a beverage steeper where a strainer is provided to hold the material used for preparation, such as tea or coffee. The strainer is designed to lower into the coffee pot to allow for steeping and can be raised out of the water and affixed to the top of the pot for draining.</p>Combination Steeper and Dripper.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258960/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258960/"><img alt="Combination Steeper and Dripper." title="Combination Steeper and Dripper." src="https://texashistory.unt.edu/ark:/67531/metapth1258960/thumbnail/"/></a></p><p>Patent for improvements of steeper and drippers combinations, specifically for tea or coffee, where a container the same depth of the pot will be provided in order to steep grounds easily and quicker.</p>Cuff-Link.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256668/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256668/"><img alt="Cuff-Link." title="Cuff-Link." src="https://texashistory.unt.edu/ark:/67531/metapth1256668/thumbnail/"/></a></p><p>Patent for new and useful improvements in cuff links that do not separate from sleeves and help with any decoration.</p>Monolithic Wall.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257588/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257588/"><img alt="Monolithic Wall." title="Monolithic Wall." src="https://texashistory.unt.edu/ark:/67531/metapth1257588/thumbnail/"/></a></p><p>Patent for concrete wall construction which is light in weight and inexpensive to fabricate. Frames may be previously constructed in a manner to allow for windows and other common wall features.</p>Combined Kitchen-Cabinet and Refrigerator2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257638/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257638/"><img alt="Combined Kitchen-Cabinet and Refrigerator" title="Combined Kitchen-Cabinet and Refrigerator" src="https://texashistory.unt.edu/ark:/67531/metapth1257638/thumbnail/"/></a></p><p>Patent for the combination design of kitchen cabinets that include a refrigerator component.</p>Dynamo Electric Machine2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257852/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257852/"><img alt="Dynamo Electric Machine" title="Dynamo Electric Machine" src="https://texashistory.unt.edu/ark:/67531/metapth1257852/thumbnail/"/></a></p><p>Patent for Improvement of Dynamo-Electric Machines. The improvement turns electric energy into mechanical entry.</p>Attachment for Motor-Vehicles2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258120/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258120/"><img alt="Attachment for Motor-Vehicles" title="Attachment for Motor-Vehicles" src="https://texashistory.unt.edu/ark:/67531/metapth1258120/thumbnail/"/></a></p><p>Patent for an attachment for motor vehicles, specifically for Ford cars but compatible with any car, where the attachment prevents the reverse movement of the car's crank.</p>Utilization of Acid-Coke2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257058/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257058/"><img alt="Utilization of Acid-Coke" title="Utilization of Acid-Coke" src="https://texashistory.unt.edu/ark:/67531/metapth1257058/thumbnail/"/></a></p><p>Patent for the utilization sulfuric acid in the creation and uses of acid-coke.</p>Demountable Rim.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256944/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256944/"><img alt="Demountable Rim." title="Demountable Rim." src="https://texashistory.unt.edu/ark:/67531/metapth1256944/thumbnail/"/></a></p><p>Patent for improved demountable rims for automobiles that are easy to mount and detach as well as cheaper and easier to manufacture.</p>Book-Holding Device2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257036/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257036/"><img alt="Book-Holding Device" title="Book-Holding Device" src="https://texashistory.unt.edu/ark:/67531/metapth1257036/thumbnail/"/></a></p><p>Patent for a book-holding device that will keep books open by holding back turned pages, with illustrations.</p>Heel-Sweep.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259322/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259322/"><img alt="Heel-Sweep." title="Heel-Sweep." src="https://texashistory.unt.edu/ark:/67531/metapth1259322/thumbnail/"/></a></p><p>Patent for a "heel sweep for a plow. The invention aims to provide a sweep which will possess great strength..."</p>Coaling Device.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258301/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258301/"><img alt="Coaling Device." title="Coaling Device." src="https://texashistory.unt.edu/ark:/67531/metapth1258301/thumbnail/"/></a></p><p>Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.</p>Float-Controlled Liquid-Gaging and Cut-Off Means.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257052/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257052/"><img alt="Float-Controlled Liquid-Gaging and Cut-Off Means." title="Float-Controlled Liquid-Gaging and Cut-Off Means." src="https://texashistory.unt.edu/ark:/67531/metapth1257052/thumbnail/"/></a></p><p>Patent for an automatic cut off device for oil tanks that indicates the amount of water in an oil tank and will automatically close the discharge opening when all the water has been discarded from the tank.</p>Burner.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258822/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258822/"><img alt="Burner." title="Burner." src="https://texashistory.unt.edu/ark:/67531/metapth1258822/thumbnail/"/></a></p><p>Patent for improvements in burners to allow them to use liquid fuel such as oil.</p>Hydraulic Swivel.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257699/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257699/"><img alt="Hydraulic Swivel." title="Hydraulic Swivel." src="https://texashistory.unt.edu/ark:/67531/metapth1257699/thumbnail/"/></a></p><p>Patent for a hydraulic swivel valve, to allow water to flow to the drill stem for purposes of cooling and lubrication.</p>Grain-Car.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257751/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257751/"><img alt="Grain-Car." title="Grain-Car." src="https://texashistory.unt.edu/ark:/67531/metapth1257751/thumbnail/"/></a></p><p>Patent for a grain car, with improved methods or loading and unloading the grain, as well as an easy method for converting the car to haul regular cargo.</p>Manufacture of Aluminum Chloride.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256794/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256794/"><img alt="Manufacture of Aluminum Chloride." title="Manufacture of Aluminum Chloride." src="https://texashistory.unt.edu/ark:/67531/metapth1256794/thumbnail/"/></a></p><p>Patent for the manufacture of Aluminum Chloride that can be carried out at lower temperatures with aluminum ore or compound, such as bauxite, sulfur and chlorine, and involves no cooking.</p>Traveling Block.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258115/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258115/"><img alt="Traveling Block." title="Traveling Block." src="https://texashistory.unt.edu/ark:/67531/metapth1258115/thumbnail/"/></a></p><p>Patent for a traveling block construction. The invention resides in the combination and arrangement of parts and in the details of construction that provide a novel form of nut to be positioned on the ends of the supporting shaft of the block, the nuts being hollowed out to provide oil chambers for supplying the shaft with a lubricant.</p>Oil-Burner.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259584/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259584/"><img alt="Oil-Burner." title="Oil-Burner." src="https://texashistory.unt.edu/ark:/67531/metapth1259584/thumbnail/"/></a></p><p>Patent for oil burner adapted for using heavy oil (with wide flat flame) for distribution (wide flat flame with adjustable burner tip).</p>Comb.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259296/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259296/"><img alt="Comb." title="Comb." src="https://texashistory.unt.edu/ark:/67531/metapth1259296/thumbnail/"/></a></p><p>Patent for an electronic heating comb providing an electric heating element.</p>Self-Lining Interlocking Building-Block.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258124/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258124/"><img alt="Self-Lining Interlocking Building-Block." title="Self-Lining Interlocking Building-Block." src="https://texashistory.unt.edu/ark:/67531/metapth1258124/thumbnail/"/></a></p><p>Patent for interlocking building-blocks that allow for the formation of strong insulated and properly lined walls without the use of skilled labor and with or without reinforcements.</p>Motorcycle-Stand.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257283/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257283/"><img alt="Motorcycle-Stand." title="Motorcycle-Stand." src="https://texashistory.unt.edu/ark:/67531/metapth1257283/thumbnail/"/></a></p><p>Patent for a motorcycle stand that can be released manually through a lever near the saddle to lock the stand into place until the operator unlocks it.</p>Player Piano2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257544/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257544/"><img alt="Player Piano" title="Player Piano" src="https://texashistory.unt.edu/ark:/67531/metapth1257544/thumbnail/"/></a></p><p>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.</p>Method of Casting Chilled Valve-Seats2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258436/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258436/"><img alt="Method of Casting Chilled Valve-Seats" title="Method of Casting Chilled Valve-Seats" src="https://texashistory.unt.edu/ark:/67531/metapth1258436/thumbnail/"/></a></p><p>Patent for making moldings of seats to be more consistent.</p>Power-Hammer.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256803/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256803/"><img alt="Power-Hammer." title="Power-Hammer." src="https://texashistory.unt.edu/ark:/67531/metapth1256803/thumbnail/"/></a></p><p>Patent for a power hammer that can utilize any power source and only needs one person to operate it. The design also uses less parts, making it more affordable.</p>Horse-Boot.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256890/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256890/"><img alt="Horse-Boot." title="Horse-Boot." src="https://texashistory.unt.edu/ark:/67531/metapth1256890/thumbnail/"/></a></p><p>Patent for a horse boot that covers and protects the hoof and pastern joint of a horse. It also protects the fetlock joint and practically the entire foreleg below the knee. This device allows for the horse to move without being hindered in any way, or without causing chafing. Both protecting the horse and providing additional comfort and safety.</p>Train-Line Valve.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257233/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257233/"><img alt="Train-Line Valve." title="Train-Line Valve." src="https://texashistory.unt.edu/ark:/67531/metapth1257233/thumbnail/"/></a></p><p>Patent for "a cut out cock for pneumatic air brake systems." This invention allows the brake lines to be bled so that all brakes may be applied simultaneously.</p>Vehicle-Wheel.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257915/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257915/"><img alt="Vehicle-Wheel." title="Vehicle-Wheel." src="https://texashistory.unt.edu/ark:/67531/metapth1257915/thumbnail/"/></a></p><p>Patent for an improved vehicle wheel with a demountable tire rim, so that tires can be easily placed on and taken off the wheel.</p>Process of Heating Oil-Retorts and Apparatus Therefor.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259490/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259490/"><img alt="Process of Heating Oil-Retorts and Apparatus Therefor." title="Process of Heating Oil-Retorts and Apparatus Therefor." src="https://texashistory.unt.edu/ark:/67531/metapth1259490/thumbnail/"/></a></p><p>Patent for "a method of securing even heating of oil retorts and the like throughout their length" and "a new apparatus, particularly intended for the heating and cracking of oils to convert the same into pyrolytic products". The invention may be used for any oil converting retort, but the patent description relates to the production of gasoline.</p>Valve.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258097/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258097/"><img alt="Valve." title="Valve." src="https://texashistory.unt.edu/ark:/67531/metapth1258097/thumbnail/"/></a></p><p>Patent for improvements to valves, specifically valves that have a sliding movement on the valve seat and to disk valves. The invention is to provide a valve of this type which is used in the interior of vats, tanks, or similar receptacles containing liquids.</p>Shutter for Motion-Picture Machines.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256757/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256757/"><img alt="Shutter for Motion-Picture Machines." title="Shutter for Motion-Picture Machines." src="https://texashistory.unt.edu/ark:/67531/metapth1256757/thumbnail/"/></a></p><p>Patent for a shutter for motion picture cameras to eliminate flickering. Produced by stamping the device from sheet metal.</p>Game.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258417/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258417/"><img alt="Game." title="Game." src="https://texashistory.unt.edu/ark:/67531/metapth1258417/thumbnail/"/></a></p><p>Patent for a "a game of skill, rather than a game of chance" (lines 11-12), albeit with elements of a game of chance, in the style of a carnival game. The game consists of a motorized, revolving model airplane and a circular arrangement of nets (one for each player); the airplane drops candy into the winning player's net.</p>Well Boring Apparatus.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259498/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259498/"><img alt="Well Boring Apparatus." title="Well Boring Apparatus." src="https://texashistory.unt.edu/ark:/67531/metapth1259498/thumbnail/"/></a></p><p>Patent for a well-boring apparatus, an invention of a drilling apparatus using a form of power to transmit rotary movement to the string of a pipe. This invention is designed to lock the rotary elements against movement when the drill or pipe is moved or adjusted within its support.</p>Electric-Current Relay2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258266/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258266/"><img alt="Electric-Current Relay" title="Electric-Current Relay" src="https://texashistory.unt.edu/ark:/67531/metapth1258266/thumbnail/"/></a></p><p>Patent for Electric-Current Relay to allow capability of use with either a direct or alternating current. This is adapted for economical use in constant temperature apparatus. Further, this technology avoids the possibility of "sticking of relay movable contacts".</p>Valve-Operating Mechanism2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256659/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256659/"><img alt="Valve-Operating Mechanism" title="Valve-Operating Mechanism" src="https://texashistory.unt.edu/ark:/67531/metapth1256659/thumbnail/"/></a></p><p>Patent for Valve Operating Mechanism that includes "new and useful improvements" (lines 5-6), and "has for its primary object to provide a simple and efficient means for operating a valve at a distance" (lines 10-12).</p>Lawn Mower2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258444/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258444/"><img alt="Lawn Mower" title="Lawn Mower" src="https://texashistory.unt.edu/ark:/67531/metapth1258444/thumbnail/"/></a></p><p>Patent for a lawn mower in which the means for adjusting the intermediate blade has been created so that a groove for a predetermined depth can be cut, and easy removal of the blade when it is desired to sharpen the same. Additionally, a ground-engaging roller is included to keep the machine at the same level so that the knife will cut into the ground at an even depth.</p>Well-Drilling Rig.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257093/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257093/"><img alt="Well-Drilling Rig." title="Well-Drilling Rig." src="https://texashistory.unt.edu/ark:/67531/metapth1257093/thumbnail/"/></a></p><p>Patent, including illustrations, for "an improved well drilling rig or apparatus" which provides "a simple, efficient, and practical machine of this kind including revoluble means having a device operatively connected to a walking beam (from which a drilling tool is suspended), so that upon every complete revolution of the revoluble means, the drilling tool or bit will be given two direct drops, each alternating with the lifting movement of the drill bit" (page 1, lines 11-21).</p>Well Screen.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257978/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257978/"><img alt="Well Screen." title="Well Screen." src="https://texashistory.unt.edu/ark:/67531/metapth1257978/thumbnail/"/></a></p><p>Patent for a well screen device. The device can keep particulates out of the well water while also restricting water to flow into the well without being released back into the soil.</p>Building-Block.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257256/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257256/"><img alt="Building-Block." title="Building-Block." src="https://texashistory.unt.edu/ark:/67531/metapth1257256/thumbnail/"/></a></p><p>Patent for building block that is easily formed or molded. The building block forms tiers to easy move around and modify.</p>