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5 Matching Results
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Valentine Sheet
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 1:125000
Date:
1919
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Valentine Sheet
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 1:125000
Date:
1916
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Single Well Cylinder
Patent for a single well cylinder pump intended to provide more efficient use in a deep well. This cylinder is distinct for its incorporation of a "inwardly opening valve controlling the passage of fluid into an inner cylinder" (p.2, lines 34-37)
Date:
December 15, 1914
Creator:
Ligon, Arthur Lee
Object Type:
Patent
System:
The Portal to Texas History
Instep-Plate for Shoes
Patent for a protector for the instep of a shoe. Illustrations included.
Date:
February 4, 1913
Creator:
Glenn, Columbus Walter
Object Type:
Patent
System:
The Portal to Texas History
Chispa Sheet
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 1:125000
Date:
1911
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History