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Rotary Reciprocating Engine

Description: Patent for this invention has relation to the type of engines combining rotary and reciprocating movements in one structure, the purpose being to combine the working elements in such relation as to convert maximum percentage of force into available form for the performance of work.
Date: January 22, 1901
Creator: Williams, Win D.
Partner: UNT Libraries Government Documents Department

[Letter from Elizabeth Upshur Teackle to her sister, Ann Upshur Eyre, January 18, 1815]

Description: Letter from Elizabeth Upshur Teackle to her sister, Ann Upshur Eyre. She writes about visiting her cousin Eleanor "Nelly" Jackson Dennis with George Wilson Jackson and Elizabeth "Betsy" Dennis, and meeting some nice men. She is reading Robert Ker Porter's history of Napoleon Bonaparte's Russian campaign. She updates about shared acquaintances and family matters and asks for the Eyre's to come visit her.
Date: January 18, 1815
Creator: Teackle, Elizabeth Upshur
Partner: Albert and Shirley Small Special Collections Library

[Letter from M. D'Aubigny to Aaron B. Quinby, January 29, 1842]

Description: Letter from M. D'Aubigny to Aaron Balderston Quinby, thanking him for his kindness and detailing travel plans. He also mentions a "mistress Bonaparte" at the end of the letter. This is Elizabeth Patterson Bonaparte, the first wife of Jérôme Bonaparte, Napoleon's youngest brother.
Date: January 29, 1842
Creator: D'Aubigny, M.
Partner: Albert and Shirley Small Special Collections Library
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