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Abilene 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
Dental Instrument.
Patent for a new dental instrument that extracts "swollen portions of the gum where it extends over the tooth" (lines 11-13), including illustration. Use of the instrument is meant to replace the common, but "objectionable" (line 56), practice of lancing the gum.
Date:
April 4, 1916
Creator:
Knox, Eldon Lemoin
Object Type:
Patent
System:
The Portal to Texas History