Method of Purifying Water, patent, October 25, 1904; (https://texashistory.unt.edu/ark:/67531/metapth510967/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Method of Purifying Water, patent, October 25, 1904; (https://texashistory.unt.edu/ark:/67531/metapth510967/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .