Collection
Serial/Series Title
2000 Census County Subdivision Block Map
78
2010 Census County Block Map
77
2010 Census P.L. 94-171 County Block Map
76
Digital US Topo Maps: 7.5 Minute Series (Topographic)
62
1990 Census County Block Map
58
2000 Census County Block Map
58
7.5 Minute Series (Topographic)
55
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
31
2007 Economic Census Map
10
30 x 60 Minute Series (Topographic)
9
21 More
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596 Matching Results
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Results:
577 - 596 of
596
Edwards Aquifer Hydrogeologic Status Report for 1992
Report on the status of the Edwards Aquifer, discussing current and historic water levels, trends, and water quality.
Date:
August 1993
Creator:
Edwards Underground Water District (Tex.). Field Operations Division.
Object Type:
Report
System:
The Portal to Texas History
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
Region, Volume 16, Number 9, September/October 1989
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
September 1989
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Region, Volume 17, Number 1, January/February 1990
Monthly newsletter of the Alamo Area Council of Governments describing news and events of relevance to the agencies.
Date:
January 1990
Creator:
Alamo Area Council of Governments
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Wire-Stretcher.
Patent for a wire stretcher tool for use in building wire fences.
Date:
April 18, 1911
Creator:
Gibbens, Andrew J.
Object Type:
Patent
System:
The Portal to Texas History
Washing-Machine.
Patent for an improved washing machine "in which is employed a rotary agitator or dasher with blades, and it has for its objects among others to provide an improved construction whereby better results are attained, the construction simplified and made cheaper, less liable to become inoperative or injured and easier to operate" (lines 16-22). It has a cover with a hinged lid.
Date:
April 4, 1893
Creator:
Anderson, Albert Grant
Object Type:
Patent
System:
The Portal to Texas History
Windmill.
Patent for an improvement in the vertical wheel of windmills including illustrations.
Date:
March 26, 1889
Creator:
Dietert, Gustav
Object Type:
Patent
System:
The Portal to Texas History
Insect-Destroyer.
Patent for an insect destroyer specifically for use in removing boll weevils from cotton plants by shaking them off the plants and sucking them up with suction tubes which deliver them to a crushing mechanism.
Date:
February 18, 1908
Creator:
Peek, Joseph S.
Object Type:
Patent
System:
The Portal to Texas History
Internal-Combustion Engine
Patent for an improved internal combustion engine. Among the improvements, it allows "compounding the expansion effect to obtain the highest possible efficiency." ( lines 11-13)
Date:
January 16, 1912
Creator:
Pearson, Samuel
Object Type:
Patent
System:
The Portal to Texas History
Mail-Bag Catcher
Patent for a mailbag catcher to be used with trains. Illustrations included.
Date:
January 12, 1909
Creator:
Peek, Joseph S.
Object Type:
Patent
System:
The Portal to Texas History
Thimble.
Patent for an improved design of thimble which includes a needle-threader and a thread-cutter that can be used without removal of the thimble from the finger through the design of metal cone shapes as part of the thimble's design.
Date:
November 21, 1905
Creator:
Huntington, Spencer Hinsdale
Object Type:
Patent
System:
The Portal to Texas History
Surgical Instrument.
Patent for a tonsilotome/enucleator for cutting the tonsils out during a tonsillectomy without injuring the pillars.
Date:
August 3, 1909
Creator:
Combs, Robert L.
Object Type:
Patent
System:
The Portal to Texas History
Trace Carrier.
Patent for a new and improved trace-carrier. This design consists in "the combination of a cylindrical body of elongated form and obliquely arranged and having slots in the upper part thereof to form bars, a central top slot between said bars, and a lower bar having a recess therein, an obliquely-inclined spring-latch extending across one of the open ends of said body, the back-band having a strap to pass around said body, and a girth-strap connected to said lower recessed bar" (lines 13-22).
Date:
July 19, 1892
Creator:
Wellborn, Samuel Houston
Object Type:
Patent
System:
The Portal to Texas History
Medicated Salt Rock
Patent for "improved medicated salt rock to be used for keeping cattle, horses, and other live stock in good condition, to serve as a tonic and blood-purifier, also to expel worms from the stomach and intestines, and to eradicate ticks and vermin" (lines 10-15).
Date:
April 23, 1901
Creator:
Green, Charles O; Wickline, William P. & Eaton, James B.
Object Type:
Patent
System:
The Portal to Texas History
Pump Attachment
Patent for a pump attachment. Illustration included.
Date:
May 10, 1910
Creator:
Nuernberger, Otto
Object Type:
Patent
System:
The Portal to Texas History
Medicated Salt Brick.
Patent for a formula for a livestock salt brick that purports improve animal health. The formula includes salt, clay, sulfur, saltpeter, copperas, nux vomica, and santonin.
Date:
February 24, 1903
Creator:
Eaton, James B.
Object Type:
Patent
System:
The Portal to Texas History
Film Developing, Fixing, and Washing Apparatus.
Patent for a film developing, fixing, and washing tank.
Date:
August 8, 1911
Creator:
Nyč, Frederick Francis
Object Type:
Patent
System:
The Portal to Texas History
Film Developing, Fixing, and Washing Apparatus
Patent for a film developing, fixing, and washing apparatus with an improved method of rolling the film around the coil in the washing tank.
Date:
July 2, 1912
Creator:
Nyc, Frederick Francis
Object Type:
Patent
System:
The Portal to Texas History
Rack and Pinion Mechanism.
Patent for a new and improved rack-and-pinion mechanism. This design "relates to improvements on rack-and-pinion mechanism to dispense with the connecting-rod on steam-engines, whereby a more equal, constant motive power at any point of the piston-stroke, and no dead or weak points of the same, will be obtained" (lines 9-14).
Date:
October 22, 1889
Creator:
MacDonald, Peter M.
Object Type:
Patent
System:
The Portal to Texas History
Means for Lowering or Raising Drill Disks or Plows.
Patent for a means of raising and lowering drill disks on plows to allow the machine to travel and not get tangled in obstructions such as underbrush or rocks.
Date:
February 2, 1909
Creator:
Burks, William Edward
Object Type:
Patent
System:
The Portal to Texas History