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. (open access)

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 (open access)

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