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Weatherford 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
Dental Instrument.
Patent for an improved dental instrument with a pointer and plunger combination to precisely locate the opening of the root canal and fill it effectively. The simple construction with few parts efficiently produces a compact tool with low production costs.
Date:
December 23, 1919
Creator:
Payne, David H.
Object Type:
Patent
System:
The Portal to Texas History
Mote-Board for Cotton-Gins
Patent for mote boards for cotton gins that throw off bolls, leaf, trash, dust, along with other foreign material
Date:
July 1, 1919
Creator:
Wooldridge, James L.
Object Type:
Patent
System:
The Portal to Texas History