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Fort Worth 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:
1918
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Nut-Lock.
Patent for Nut-Lock. The invention is to enable locking a nut upon a bolt, to keep from coming undone due to vibration.
Date:
April 2, 1918
Creator:
Morris, William T.
Object Type:
Patent
System:
The Portal to Texas History