Collection
Serial/Series Title
2000 Census County Subdivision Block Map
44
2000 Census County Block Map
37
7.5 Minute Series (Topographic)
37
1990 Census County Block Map
34
Digital US Topo Maps: 7.5 Minute Series (Topographic)
34
2010 Census County Block Map
33
2010 Census P.L. 94-171 County Block Map
33
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
16
Western United States 1:250,000
8
2007 Economic Census Map
6
8 More
Counties
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330 Matching Results
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Apparatus for Cooling Journal-Boxes on Railway-Trains
Patent for an apparatus for cooling journal boxes on trains by sending water to the journal boxes from a water system installed in each car.
Date:
April 19, 1910
Creator:
Andrews, Walter P.
Object Type:
Patent
System:
The Portal to Texas History
Wood Sawing Machine
Patent for a wood sawing machine. Illustrations included.
Date:
April 16, 1912
Creator:
Brown, George H.
Object Type:
Patent
System:
The Portal to Texas History
Car Brake.
Patent for a new and improved brake for railroad cars. This design "consists in the combination, with the brake, of an angle-lever on the end part of the car, a draw-head on the car, a lever pivoted on the same, a rod connecting the said lever with the angle-lever, a toothed locking-bar on the standard, and a pin on the lever on the standard" (lines 10-16).
Date:
July 21, 1885
Creator:
Daudelin, Joseph M.T.
Object Type:
Patent
System:
The Portal to Texas History
Improvement in Cotton-Pickers.
Patent for improvements in cotton picking machines.
Date:
October 18, 1870
Creator:
Dreeson, Bartholdt
Object Type:
Patent
System:
The Portal to Texas History
Furniture-Handle.
Patent for a plate that improves the security of drop-handle furniture handles with posses superior advantages in point of simplicity, durability and general efficiency.
Date:
December 26, 1905
Creator:
Frank, Gustav
Object Type:
Patent
System:
The Portal to Texas History
Piston
Patent for a piston for use in pumps.
Date:
February 25, 1913
Creator:
Frank, Gustav
Object Type:
Patent
System:
The Portal to Texas History
Refrigerator
Patent for a refrigerator. Illustrations included.
Date:
January 28, 1908
Creator:
Frank, Gustav
Object Type:
Patent
System:
The Portal to Texas History
Switch Lock for Motor Vehicles.
Patent for "certain new and useful improvements in Switch-Locks for motor vehicles", including instructions and illustrations.
Date:
February 20, 1917
Creator:
Frank, Gustav
Object Type:
Patent
System:
The Portal to Texas History
Treadle-Spring.
Patent for an improved treadle spring to be used in treadles that are used in sewing machines, scroll-saws, and similar machines. It is simple, inexpensive, efficient, and requires less effort to operate the treadle. The spring does not move while in use.
Date:
March 6, 1894
Creator:
Frank, Gustav, Jr.
Object Type:
Patent
System:
The Portal to Texas History
Avinger 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:
1962
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Avinger 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
Avinger 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:
1982
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Avinger 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:
2013
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Avinger 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:
1964
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Cunningham Creek 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:
1961
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Cunningham Creek 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
Cunningham Creek 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:
2013
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Cunningham Creek 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:
1963
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Harleton 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:
1978
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Harleton 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
Harleton 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:
1964
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Harleton 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:
1992
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Harleton 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:
1978
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Harleton 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:
2013
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History