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Cotton Blocker

Description: Patent for cotton blockers that prevent crops from becoming covered in soil during the harvesting process.
Date: February 15, 1921
Creator: Fowler, Alonzo. J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boring-Tool.

Description: Patent for "a boring tool for boring scarred and worn engine cylinders" (lines 14-15) that allows for more customization when cutting.
Date: January 4, 1921
Creator: Adams, George Reese.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for oil burner that simultaneously ignites and vaporizes liquid fuel.
Date: August 16, 1921
Creator: Mills, V.H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for "an improved apparatus for and method of consuming liquid fuel", particularly low-cost heavy oils that are more difficult to burn.
Date: August 16, 1921
Creator: Mills, Virgil H. & Mills, John H. T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for an oil-burner used to provide a structure of low cost material that allows thorough heating of the oil to accommodate the conversion to gas and combustion for flame at the orifice.
Date: March 8, 1921
Creator: Daily, William T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Mount Calm 1921 Sheet 3

Description: Sanborn map sheet showing an area of Mount Calm in Hill County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1921
Creator: Sanborn Map Company
Item Type: Refine your search to only Map
Partner: The Dolph Briscoe Center for American History

Mount Calm 1921 Sheet 1

Description: Sanborn map sheet showing an area of Mount Calm in Hill County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1921
Creator: Sanborn Map Company
Item Type: Refine your search to only Map
Partner: The Dolph Briscoe Center for American History

Mount Calm 1921 Sheet 2

Description: Sanborn map sheet showing an area of Mount Calm in Hill County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1921
Creator: Sanborn Map Company
Item Type: Refine your search to only Map
Partner: The Dolph Briscoe Center for American History

Cleburne 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: 1921
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.25 -97.25
Partner: UNT Libraries Government Documents Department

Waco 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: 1921
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 31.75 -97.25
Partner: UNT Libraries Government Documents Department
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