Collection
USGS Topographic Map Collection
342
United States Census Map Collection
268
Technical Report Archive and Image Library
155
USDA Farmers' Bulletins
96
Defense Base Closure and Realignment Commission
90
Texas State Publications
52
End of Term Publications
47
Texas Patents
36
Congressional Research Service Reports
15
Office of Scientific & Technical Information Technical Reports
7
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Serial/Series Title
7.5 Minute Series (Topographic)
116
Farmers' bulletin (United States. Dept. of Agriculture)
95
2005 BRAC Commission
86
2000 Census County Subdivision Block Map
67
Biological services program FWS/OBS
67
Digital US Topo Maps: 7.5 Minute Series (Topographic)
67
15 Minute Series (Topographic)
66
United States Fish and Wildlife Service Maps
66
2000 Census County Block Map
50
2010 Census County Block Map
50
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1,119 Matching Results
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1,105 - 1,119 of
1,119
Railway-Ticket, &c.
Patent "to furnish for railway-companies a form of excursion-ticket whose return portion or stop-over portion, as the case may be, is not capable of successful use by scalpers" (lines 11-15).
Date:
July 9, 1901
Creator:
Smith, Lowndes G.
Object Type:
Patent
System:
The Portal to Texas History
Engineer's Safety-Throttle for Locomotive Dry Pipes
Patent for improved safety mechanism for the dry pipe of a steam-powered locomotive engine.
Date:
November 16, 1920
Creator:
Hartman, John Wesley
Object Type:
Patent
System:
The Portal to Texas History
Illuminated Sign and Operating Means Therefor
Patent for an illuminated sign and how to operating means. Illustration included.
Date:
October 30, 1906
Creator:
Dunkle, George Harvey
Object Type:
Patent
System:
The Portal to Texas History
Method of and Apparatus for Treating Mineral Pitch.
Patent for an "improved method of and apparatus for treating mineral pitch and similar material to readily separate the asphalt and asphalt-oils from sand, bituminous rock, and other impurities contained in the mined material and removing the sand and impurities" (lines 12-17). The method circulates the material in hot water to separate the asphalt and asphalt-oils from the sand and impurities. The asphalt and oil rise to the top of the water and the impurities sink.
Date:
November 5, 1895
Creator:
Sellers, Harvey Lee; Conyngton, Hugh Ronald & Conyngton, Thomas
Object Type:
Patent
System:
The Portal to Texas History
Plow.
Patent for improvements in reversible plows: "The object of the present invention is to simplify and improve the construction of reversible plows and enable them to be adjusted to any desired depth" (lines 9-12).
Date:
August 18, 1891
Creator:
McKay, Robert B.
Object Type:
Patent
System:
The Portal to Texas History
Process of Making Artificial Fuel
Patent for process of creating artificial fuel and the resulting product.
Date:
March 11, 1902
Creator:
Steiner, Robert
Object Type:
Patent
System:
The Portal to Texas History
Rail-Bond.
Patent for a rail bond that allows an electric current to travel through the rails.
Date:
March 14, 1911
Creator:
Humason, Granville A. & Odell, Edward F.
Object Type:
Patent
System:
The Portal to Texas History
Pipe-Wrench.
Patent for improvements to pipe wrenches to a more simple design.
Date:
February 16, 1915
Creator:
Lewis, Guy V.
Object Type:
Patent
System:
The Portal to Texas History
Electric Belt
Patent for improvements in electric belts.
Date:
July 5, 1887
Creator:
Williams, Robert E.
Object Type:
Patent
System:
The Portal to Texas History
Domestic Boiler.
Patent for a boiler for boiling milk and other liquids prone to boiling over, which prevents the overflow of liquid from the boiler.
Date:
October 8, 1907
Creator:
Rahm, Phillip
Object Type:
Patent
System:
The Portal to Texas History
Device for Dipping Lumber.
Patent for a device for dipping lumber in a "soda" bath for preventing mildewing that allows the operator of the sawmill to determine which logs go through the bath.
Date:
August 9, 1910
Creator:
Baten, William Lucian
Object Type:
Patent
System:
The Portal to Texas History
Car-Coupling.
Patent for an invention for train cars which "relates to car couplings, and especially to that class of the same which effect an automatic coupling by means of a gravity-hook," (lines 12-15) including instructions and illustrations.
Date:
May 13, 1884
Creator:
Washburn, Andrew Lynch & Journeay, Abram L.
Object Type:
Patent
System:
The Portal to Texas History
Cotton-Cupper
Patent for improvements in the type of equipment known as cotton cupers.
Date:
October 1, 1889
Creator:
Wilder, Theodore C. & Wilder, Atwood, E.
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Carburaters
Patent of an improvement for a carbureter that furnishes the apparatus for enriching the vapors of gasoline or other light hydrocarbon.
Date:
October 19, 1875
Creator:
Pollard, James M.
Object Type:
Patent
System:
The Portal to Texas History
Cotton Cleaner, Feeder, and Separator Elevator
Patent for a machine designed to take and clean cotton from a cotton supply, and then feed it directly into a cotton gin. Illustrations included.
Date:
May 19, 1908
Creator:
Carmouche, Emile A.
Object Type:
Patent
System:
The Portal to Texas History