Collection
Serial/Series Title
States
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3 Matching Results
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Nueces 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:
1921
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Rail-Joint
Patent for an improved rail joint that doesn't need bolts.
Date:
August 17, 1920
Creator:
Ryan, George R. & Ryan, William M.
Object Type:
Patent
System:
The Portal to Texas History
Rail-Joint.
Patent for the improvement of existing rail joints by creating a tie or bond at the end of rails to allow them to lock together. The improved rail joint will make the use of bolts and nuts, or other connectors unnecessary when connecting rails.
Date:
February 17, 1920
Creator:
Ryan, William M.
Object Type:
Patent
System:
The Portal to Texas History