Collection
Serial/Series Title
7.5 Minute Series (Topographic)
101
2000 Census County Subdivision Block Map
85
1990 Census County Block Map
80
2010 Census County Block Map
78
2010 Census P.L. 94-171 County Block Map
76
2000 Census County Block Map
70
Digital US Topo Maps: 7.5 Minute Series (Topographic)
70
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
35
Western United States 1:250,000
19
2007 Economic Census Map
8
14 More
Counties
Decade
Month
Language
706 Matching Results
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706
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Wire Stretcher.
Patent for a new and improved wire stretcher. This design consists in "a frame having two arms, one carrying a fixed clamp and the other a roller, a windlass mounted on said frame having a rope passing over said roller and adapted to be fixed to an end of wire, and a central clamp consisting of a rigid bar on the frame between its arms, a notched clamp pivoted thereon, and a ring for retaining the clamp" (lines 6-14).
Date:
February 22, 1887
Creator:
Ainsworth, Phineas Hardaman
Object Type:
Patent
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for a method to improve the free burning properties of mined sulfur by carbonizing the oil and eliminating carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
Object Type:
Patent
System:
The Portal to Texas History
Treatment of Mined Sulfur.
Patent for heating sulfur under appropriate conditions in order to carbonized oil contained within, allowing stationary sulfur to burn without difficulty or interference from carbon.
Date:
April 19, 1921
Creator:
Bacon, Raymond Foss, 1880-1954.
Object Type:
Patent
System:
The Portal to Texas History
Ballot-Voting Machine
Patent for a ballot box that counts the number of votes in the box.
Date:
February 17, 1914
Creator:
Brown, Flora & Senez, Arthur
Object Type:
Patent
System:
The Portal to Texas History
Proportionate Scale.
Patent for a proportion scale used for measuring cotton seed and lint. Illustration included.
Date:
September 4, 1900
Creator:
Brown, George R.
Object Type:
Patent
System:
The Portal to Texas History
Machine for Distributing Poison on Plants.
Patent for a new and improved machine for distributing poison on plants. This design consists in "the combination, with a wheeled-frame, a counter-shaft thereon driven from the wheels, a poison-hopper, an air and discharge pipe communicating therewith, a fan giving air-blast through said pipe, and an agitator in the poison-hopper, of wheel and belt-gearing operating the fan and agitator from the counter-shaft on the frame" (lines 112-119).
Date:
March 11, 1890
Creator:
Brown, George R. & Brown, John W.
Object Type:
Patent
System:
The Portal to Texas History
Machine for Distributing Poison or Plants
Patent for a simple and efficient machine "for distributing or dusting poisonous powders onto growing plants to rid them of destructive insects" (lines 9-12).
Date:
February 12, 1889
Creator:
Brown, George R. & Brown, John W.
Object Type:
Patent
System:
The Portal to Texas History
Proportionate Scale.
Patent for improvements in scales which would quickly and accurately determine the proportion of the lint contained in seed-cotton. Illustration is included.
Date:
April 8, 1902
Creator:
Brown, George Raymond
Object Type:
Patent
System:
The Portal to Texas History
Non-Refillable Bottle
Patent for Non-Refillable Bottle
Date:
September 5, 1916
Creator:
Burch, Charles E
Object Type:
Patent
System:
The Portal to Texas History
Comparison of Two Sampling Methods for Estimating Zooplankton Densities in Fish Culture Ponds
Report discussing results of a study comparing selected zooplankton population densities estimated by pooling samples - from five locations in saltwater fish culture ponds with one sample collected from a single pond location.
Date:
January 1986
Creator:
Colura, Robert L. & Matlock, Gary C.
Object Type:
Report
System:
The Portal to Texas History
Plow Colter
Patent for plow colter. Illustration included.
Date:
September 5, 1905
Creator:
Cone, Jesse Fielder
Object Type:
Patent
System:
The Portal to Texas History
Wrench.
Patent for a wrench which "may be efficiently employed in places which are inaccessible to the ordinary wrench."
Date:
August 24, 1915
Creator:
Culbertson, Charles P.
Object Type:
Patent
System:
The Portal to Texas History
Process of Mining Sulfur.
Patent for innovations in the underground fusion or Frasch process of mining sulfur, "which comprises conducting an appropriate fusing medium [such as hot water] into the formation containing the sulfur deposit and thereby melting the sulfur" (lines 91-95). Central to the innovations is the use of a compressed gas to "eliminate or largely reduce heat losses in porous rock and exhausted sulfur regions at the higher levels of the mine where the presence of the hot water is of no benefit so far as melting sulfur is concerned" (lines 55-60).
Date:
December 27, 1921
Creator:
Drachenberg, August Toby
Object Type:
Patent
System:
The Portal to Texas History
Apparatus for Delivering and Hauling Seines
Patent for an apparatus for delivering and hauling seines that can be used in deeper water and is safer than the ordinary method of using seines.
Date:
December 12, 1911
Creator:
Duffy, John J.
Object Type:
Patent
System:
The Portal to Texas History
Plates 1-3: Aeroradioactivity Map (ARMS-II), Galveston Area, Texas
Maps of four quadrants in the Galveston area surveyed as part of a radiological survey, outlining "Radioactivity levels in hundreds of counts per second normalized to 500 ft above ground." Scale 1:250,000.
Date:
1963
Creator:
Edgerton, Germeshausen & Grier
Object Type:
Map
System:
The UNT Digital Library
Harness Attachment
Patent for Harness Attachment
Date:
September 12, 1916
Creator:
Eidman, Guy. G
Object Type:
Patent
System:
The Portal to Texas History
Plow.
Patent for an improvement to the plow by providing a plastic or plastic-like material to help sticky, thick soil and clay to glide over the surface and decrease frictional resistance, including illustrations.
Date:
March 2, 1915
Creator:
Fleehearty, Edward L.
Object Type:
Patent
System:
The Portal to Texas History
Tank
Patent for a tank that filters.
Date:
January 23, 1917
Creator:
Gartrell, Clifford E.
Object Type:
Patent
System:
The Portal to Texas History
Angleton
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 1:100000
Date:
2009
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Angleton
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 1:100000
Date:
1984
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ashwood 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 1:24,000
Date:
1995
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ashwood Quadrangle
Satellite image 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 1:24,000
Date:
2010
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ashwood 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 1:24000
Date:
1975
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Ashwood 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 1:24000
Date:
1970
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History