Well Drill. (open access)

Well Drill.

Patent for a new and improved well drill. This design "consists in a novel construction of a tool for boring or drilling wells, which tool has the drill-bit and the reamer so united as to operate simultaneously, and thus serve the functions of the so-called "Z-bit" and effectually prevent the tool from being thrown laterally out of the line of cutting when striking bowlders; and the invention also consists in an improved construction of the coupling of the tool to the sinker-bar or drill-bar" (lines 9-18).
Date: July 17, 1888
Creator: Titus, Silas W. & Clark, Chester C.
Object Type: Patent
System: The Portal to Texas History
Improvement in Breech-Loading Fire-Arms. (open access)

Improvement in Breech-Loading Fire-Arms.

Patent for improved maneuvering and loading of firearms while riding horseback.
Date: July 20, 1878
Creator: Morrison, John T.
Object Type: Patent
System: The Portal to Texas History
Lawn-Mower. (open access)

Lawn-Mower.

Patent for lawn mower with special stationary blades; designed to improve the operation of the rotary blades with which the stationary blades come into contact, thus "insuring an easy running, and a perfectly clean and smooth shearing of the grass, and prevent any shock, grinding or clicking, when the contact is made" (lines 8-11).
Date: July 21, 1914
Creator: Clark, Josepsh Chester
Object Type: Patent
System: The Portal to Texas History
Marker. (open access)

Marker.

Patent for improvement in markers "used in filing and card index cabinets" (lines 6-7).Meant to "provide a light, simply constructed V-shaped device" (lines 11-13), to mark the location of papers or files that have been temporarily moved from a filing system.
Date: July 25, 1916
Creator: Wells, Spencer A.
Object Type: Patent
System: The Portal to Texas History
Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas (open access)

Occurrence, Availability, and Chemical Quality of Ground Water in the Edwards Plateau Region of Texas

Report on
Date: July 1979
Creator: Walker, Loyd E.
Object Type: Report
System: The Portal to Texas History