Collection
United States Census Map Collection
524
Texas Patents
494
USGS Topographic Map Collection
268
Texas State Publications
51
Texas Attorney General Opinions
17
Texas Laws and Resolutions Archive
14
Technical Report Archive and Image Library
2
Government Documents General Collection
2
Office of Scientific & Technical Information Technical Reports
1
Serial/Series Title
2000 Census County Subdivision Block Map
117
2010 Census County Block Map
105
2010 Census P.L. 94-171 County Block Map
104
2000 Census County Block Map
98
1990 Census County Block Map
97
7.5 Minute Series (Topographic)
97
Digital US Topo Maps: 7.5 Minute Series (Topographic)
64
15 Minute Series (Topographic)
35
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
24
30 Minute Series
18
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1,373 Matching Results
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[Texas] Typical Curves of Precipitation
Series of three graphs demarcating the average rainfall per month for specific Texas cities across different regions of the state. Some lines are marked in red to distinguish individual points.
Date:
1891
Creator:
unknown
Object Type:
Technical Drawing
System:
The Portal to Texas History
Slime-Pulp Thickener.
Patent for a machine used in the wet milling process. It allows proportionate distribution of liquids to aide during the thickening process.
Date:
April 17, 1923
Creator:
Allen, Charles
Object Type:
Patent
System:
The Portal to Texas History
Manufacture of Bricks
Patent for an improvement in the manufacturing of bricks, using the waste products of a coal burning furnace and other cheap ingredients.
Date:
December 22, 1922
Creator:
North, Clarance Lupfer
Object Type:
Patent
System:
The Portal to Texas History
TELEMASP Bulletin, Volume 5, Number 9, December 1998
Monthly bulletin issued to address topics related to law enforcement. This issue discusses "El Paso Drive-by Shooting Response Team Evaluation" including regional demographics, El Paso's gang problem, and the success of the DSRT.
Date:
December 1998
Creator:
Pray, Scott A.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
TELEMASP Bulletin, Volume 5, Number 4, July 1998
Monthly bulletin issued to address topics related to law enforcement. This issue discusses "Merging Community-Oriented and Crime-Specific Policing Part Five of Seven" including information about youth and gang programs, what they are, and what their effects are.
Date:
July 1998
Creator:
Carter, David
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
TELEMASP Bulletin, Volume 5, Number 2, May 1998
Monthly bulletin issued to address topics related to law enforcement. This issue discusses "Merging Community-Oriented and Crime-Specific Policing Part Three of Seven" including topics such as targeted enforcement and different programs' descriptions and their effects.
Date:
May 1998
Creator:
Carter, David
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Automobile-Top.
Patent for "new and useful improvements in Automobile-Tops." (lines 5-6) and is related to "tops of automobiles having two or more seats." (lines 9-10) includes illustrations.
Date:
March 2, 1920
Creator:
Stewart, Henry W.
Object Type:
Patent
System:
The Portal to Texas History
Adjustable Spring Clamp
Patent for an improved adjustable spring clamp design.
Date:
May 13, 1919
Creator:
Hillin, H. C.
Object Type:
Patent
System:
The Portal to Texas History
Adjustable Support.
Patent for adjustable props or supports used in concrete construction or scaffolding, including illustrations.
Date:
June 18, 1918
Creator:
Ware, Howard T.
Object Type:
Patent
System:
The Portal to Texas History
Baling-Press.
Patent for improvements in baling presses. Consists of improvements over prior patents 1197532 and 1229126. These improvements are primarily for operation of the compressor and also the mechanism for actuating the feeder.
Date:
December 24, 1918
Creator:
North, George W. & Andreas, H.M.
Object Type:
Patent
System:
The Portal to Texas History
Air Heating and Regulating Means for Internal Combustion Engines
Patent for a type of air heater designed to be attached to an internal combustion engine for the purposes of regulating heat.
Date:
February 18, 1919
Creator:
Brooks, Howard
Object Type:
Patent
System:
The Portal to Texas History
Automobile-Alarm.
Patent for a device to prevent the theft of automobiles capable of producing audio and visual signals as warnings of unauthorized access.
Date:
April 22, 1919
Creator:
Smith, Thomas H.
Object Type:
Patent
System:
The Portal to Texas History
Baling-Press.
Patent for an improved bailing press "especially designed for forming hay, straw, cotton, &c., &c.... into compressed, compact bales" (lines 10-13) that requires less effort and power for stronger compression results.
Date:
March 12, 1910
Creator:
North, Clarence L.
Object Type:
Patent
System:
The Portal to Texas History
Aparatus for Cleaning Lechuguilla, Henequen, and Analogous Fibrous Plants.
Patent for an improved apparatus for scraping lechugilla, henequen, and analogous fibrous plants. This apparatus scrapes the stalks of the plants mechanically and separates the pulp from the fiber of the plant so that the fiber will be cleaned and ready for use.
Date:
September 3, 1918
Creator:
Aguilar, Alfonso
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Molding Silos and the Like.
Patent for an apparatus of simple structure that allows for the easy adjustment and manipulation of parts. It is "used for molding silos and similar structures from concrete cement material" (lines 10-12).
Date:
July 16, 1918
Creator:
Atkins, Thomas B.
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Separating or Concentrating Ores.
Patent for an improvement to hydraulic separators used in frothing classification to increase the recovery of larger mineral particles.
Date:
October 21, 1919
Creator:
Cole, David
Object Type:
Patent
System:
The Portal to Texas History
Classifier and Separator.
Patent for classifiers and separators used in mining to separate solids and liquids in the tank. It allows for easy removal and replacement of parts as they wear.
Date:
March 19, 1918
Creator:
Allen, Charles
Object Type:
Patent
System:
The Portal to Texas History
Automatic Train Stop
Patent for an automatic train stop. Used to simplify the construction where fewer magnets and changeable switches are necessary. To provide an automatic train control mechanism with a normally closed circuit, the breakage or disarrangement of any part that would ensure the stopping of the train.
Date:
May 21, 1918
Creator:
Bulla, Melbern B.
Object Type:
Patent
System:
The Portal to Texas History
Collar-Form
Patent for a device that will hold soft shirt collars in position, giving them a neater appearance.
Date:
July 22, 1919
Creator:
White, William D.
Object Type:
Patent
System:
The Portal to Texas History
Contact-Shoe for Automatic Train-Stops.
Patent for a new contact shoe, used in rail transport, attached to the train car to conduct automatic stops despite possible hazards through the use of magents and electricity, including illustrations .
Date:
March 30, 1920
Creator:
Bulla, Melbern Bernie
Object Type:
Patent
System:
The Portal to Texas History
Athletic Shoe
Patent for improvements to athletic shoes for men, women, and children that improve the comfort of the shoe, support the anatomy of the foot, and prevent “falling arches and other foot ailments” (p. 1, lines 22-23).
Date:
December 3, 1918
Creator:
Rokahr, Charles
Object Type:
Patent
System:
The Portal to Texas History
Process For The Reduction Of Iron And Lead Ores.
Patent for a process that reduces iron and lead ores. This is done through two distinct combustion processes, the first of which converts the fuel and oxygen into carbon dioxide and the second process which produces carbon monoxide, that can produce iron or steel of different grades.
Date:
June 14, 1921
Creator:
Anderson, Robert J.
Object Type:
Patent
System:
The Portal to Texas History
Crown Setter
Patent for a crown setter that can make impressions of varying sizes with the same tool.
Date:
July 6, 1920
Creator:
Lewis, Samuel Riley
Object Type:
Patent
System:
The Portal to Texas History
Bed.
Patent for a bed, specifically the joints of a bedframe. The side rails for a bedframe are joined by tapered connectors.
Date:
August 17, 1920
Creator:
Hellweg, Rudolph F.
Object Type:
Patent
System:
The Portal to Texas History