Improved Mode of Extracting Essences., patent, August 13, 1867; (https://texashistory.unt.edu/ark:/67531/metapth165135/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Improved Mode of Extracting Essences., patent, August 13, 1867; (https://texashistory.unt.edu/ark:/67531/metapth165135/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .