Pump., patent, July 19, 1881; (https://texashistory.unt.edu/ark:/67531/metapth170203/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Pump., patent, July 19, 1881; (https://texashistory.unt.edu/ark:/67531/metapth170203/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .