Impeller-Pump., patent, March 10, 1914; (https://texashistory.unt.edu/ark:/67531/metapth858761/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Impeller-Pump., patent, March 10, 1914; (https://texashistory.unt.edu/ark:/67531/metapth858761/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .