UNT Libraries Government Documents Department - 5 Matching Results

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Shovel-Plow.

Description: Patent for improvements in shovel-plows “by enabling the stock and shoe securely mounted and yet adjusted from one position to another, according to the work to be performed.” (Lines 9-12) Illustration is included.
Date: April 22, 1902
Creator: Michalka, Joseph
Item Type: Refine your search to only Patent

Taylor 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: 1902
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.75 -97.25

Well-Drilling Machine.

Description: Patent for “a new and improved well-drilling machine adapted to be driven by horse-power and arranged to permit of actuating the drilling tools for drilling purposes and to allow of conveniently and quickly raising the tools from the well…” (lines 8-14) including illustrations.
Date: November 18, 1902
Creator: Moore, Robert Burns
Item Type: Refine your search to only Patent
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