Collection
Serial/Series Title
Digital US Topo Maps: 7.5 Minute Series (Topographic)
40
2000 Census County Subdivision Block Map
37
1990 Census County Block Map
31
2000 Census County Block Map
31
2010 Census County Block Map
28
2010 Census P.L. 94-171 County Block Map
28
7.5 Minute Series (Topographic)
23
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
20
2007 Economic Census Map
12
Western United States 1:250,000
5
3 More
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269 Matching Results
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Results:
265 - 269 of
269
Lubricator.
Patent for a lubricator, which can be put into vehicle wheels to allow for a continuous flow of lubricant.
Date:
July 5, 1910
Creator:
Hood, Linsey Vestal
Object Type:
Patent
System:
The Portal to Texas History
Milk Cooler or Refrigerator.
Patent for an apparatus for cooling milk and other food products without the use of ice.
Date:
November 3, 1903
Creator:
Suggs, Allen C.
Object Type:
Patent
System:
The Portal to Texas History
Station-Indicator.
Patent for an automatic station indicator for railway coaches.
Date:
February 11, 1919
Creator:
Large, WIlliam A.
Object Type:
Patent
System:
The Portal to Texas History
Pipe-Clamp.
Patent for an invention that relates to pipe clamps. It is specifically for a pipe clamp specially adapted for supporting pipes which extend through floors.
Date:
September 10, 1915
Creator:
Derrick, Virgil H.
Object Type:
Patent
System:
The Portal to Texas History
Necktie Presser
Patent for a device that can press a greater number of neckties, to remove wrinkles.
Date:
October 10, 1916
Creator:
Caddel, John M.
Object Type:
Patent
System:
The Portal to Texas History