Tool for Lowering and Raising Well-Tubes, patent, July 26, 1910; (https://texashistory.unt.edu/ark:/67531/metapth512737/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Tool for Lowering and Raising Well-Tubes, patent, July 26, 1910; (https://texashistory.unt.edu/ark:/67531/metapth512737/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .