Pump., patent, March 30, 1897; (https://texashistory.unt.edu/ark:/67531/metapth174564/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Pump., patent, March 30, 1897; (https://texashistory.unt.edu/ark:/67531/metapth174564/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .