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in place name: "United States - Texas - Mason County - Mason"  
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Mason Sheet

Description: 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: 1920
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.75 -99.25
Partner: UNT Libraries Government Documents Department

Non-Skid Device

Description: Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Date: May 24, 1921
Creator: Williams, Harry S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Toothbrush.

Description: Patent for a new and improved toothbrush that has a rotary brush which turns while the user brushes it back and forth over their teeth and a hollow stem that sends water to the brush while it is in use.
Date: November 2, 1920
Creator: Simon, John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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