Collection
Serial/Series Title
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12 Matching Results
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1 - 12 of
12
Automatic Air-Brake Coupling
Patent for an air-brake coupling for railroad cars which connects cars automatically and can be fully controlled by the train engineer in the engine.
Date:
July 23, 1907
Creator:
McMillan, Thomas B.
Object Type:
Patent
System:
The Portal to Texas History
Clevis.
Patent for improvements in clevises in which a clevis can be used upon plows or harrows. When it is used, it “will obviate the necessity of using links or open rings in connection with the clevis and the singletree, as well as enable the plowman to cause his plow to run in the soil any desired depth or to cut a narrow or wide furrow.” (Lines 16-20) Illustration is included.
Date:
July 28, 1891
Creator:
Bruton, Alonzo D.
Object Type:
Patent
System:
The Portal to Texas History
Occurrence, Availability, and Chemical Quality of Ground Water in the Cretaceous Aquifers of North-Central Texas: Volume 2
The second volume of a two part report on the Creataceous aquifers in Texas. This volume contains information on water wells, water levels, and chemical analyses.
Date:
July 1982
Creator:
Nordstrom, Philip L.
Object Type:
Report
System:
The Portal to Texas History
Texas Regional Outlook, 2002: Upper East Texas Region
Report on economic forecast and outlook for the Upper East Texas Region describing expected economic change for various industries, employment growth, and county-level analyses.
Date:
July 2002
Creator:
Texas. Comptroller's Office.
Object Type:
Report
System:
The Portal to Texas History
Identification of Potential Brackish Groundwater
Report on a study to identify and designate local brackish groundwater production zones in areas of Texas with brackish groundwater availability which can be used to reduce the use of fresh groundwater.
Date:
July 2017
Creator:
LBG-Guyton Associates
Object Type:
Report
System:
The Portal to Texas History
Identification of Potential Brackish Groundwater Production Areas - Nacatoch Aquifer
Provides data on the placement and studies pertaining to aquifers and groundwater production
Date:
July 2017
Creator:
Laughlin, Kristie
Object Type:
Report
System:
The Portal to Texas History
Wagon-Bed Elevator
Patent for a wagon-bed elevator that "is to provide an elevator for wagon-beds by means of which a single person can raise the bed from the wagon to any desired height and leave it suspended in position where it can be readily lowered upon the wagon again at any time" (p. 2).
Date:
July 24, 1888
Creator:
Holliday, William A.
Object Type:
Patent
System:
The Portal to Texas History
Vehicle -Spindle
Patent for Spindles of light vehicles
Date:
July 28, 1908
Creator:
Thompson, Travis T.
Object Type:
Patent
System:
The Portal to Texas History
Vehicle-Top.
Patent for a canvas top for a wagon that is attached to wooden bows and can be folded up into a seat rest when not in use.
Date:
July 9, 1907
Creator:
Kelley, Harrall M.
Object Type:
Patent
System:
The Portal to Texas History
Mail-Box.
Patent for a mail box, which is movable to allow it to be drawn closer to the road for mail delivery and then put back in its original position.
Date:
July 12, 1910
Creator:
Mills, Joseph H.
Object Type:
Patent
System:
The Portal to Texas History
Puzzle.
Patent for a new and improved puzzle. This design consists in a "trick-puzzle, the same consisting of one false and three true members, each of a stiff wire bent at its center into a loop or ring, with its ends extending therefrom and standing approximately parallel, the bends of the true members being in one direction and of the false member in the opposite direction" (lines 5-12).
Date:
July 12, 1892
Creator:
Walker, William Turner.
Object Type:
Patent
System:
The Portal to Texas History
Sash Lock
Patent for an invention which improves "the construction of sash locks" for "great strength and durability" (lines 11-13) including illustrations.
Date:
July 1, 1902
Creator:
Baker, Howard Allen
Object Type:
Patent
System:
The Portal to Texas History