Improved Mode of Extracting Essences. Page: 1 of 3
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Improved Mode of Extracting Essences., patent, August 13, 1867; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth165135/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.