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in subjects: "technology"  
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Percussion shotgun

Description: A composite gun made from various parts: blacksmith- made trigger guard; copper ramrod holders; wooden ramrod. Stamped on stock at butt: “LEVYON MADE MC LAWS PLANTA. 1841”; lockplate: “GOLCHER”; barrel: “_____PHILAD___”; possibly "slave made”"
Date: 1841
Item Type: Refine your search to only Physical Object
Partner: Star of the Republic Museum

Brick-Machine.

Description: Patent for a machine, which the inventor calls "The Concussion Brick-Machine", that makes bricks using molds, including illustrations.
Date: May 30, 1848
Creator: Wilson, Robert
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boring and Mortising Machine.

Description: Patent for a machine to bore square holes in substitute for a chisel and reduce labor, including illustration. The inventor calls it a "Mortise and Tenon Machine."
Date: July 11, 1848
Creator: Swingle, Alfred
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Carta generale dell'America Settentrionale.

Description: Map shows mid-nineteenth century geography, cities, and political borders in North America. Includes text in Italian regarding statistics on land area, population, land acquisitions by the United States, and information on mineral deposit sites and geologic formations. Texas is shown as part of the United States. Relief shown by hachures. No scale indicated.
Date: 1842
Creator: Real Litografia Militare
Item Type: Refine your search to only Map
Partner: University of Texas at Arlington Library

Geological map of the Middle and Western states.

Description: Map shows geological composition of the upper midwest, Great Lakes, and central Atlantic states east of the Mississippi River; counties and county seats. Includes key to geological composition. Relief shown by hachures. Scale [ca. 1:1,810,000].
Date: 1843?
Creator: Hall, James, 1811-1898
Item Type: Refine your search to only Map
Partner: University of Texas at Arlington Library
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