Improvement in Pumps., patent, September 24, 1878; (https://texashistory.unt.edu/ark:/67531/metapth169781/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Improvement in Pumps., patent, September 24, 1878; (https://texashistory.unt.edu/ark:/67531/metapth169781/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .