Hydrant Valve., patent, September 26, 1911; (https://texashistory.unt.edu/ark:/67531/metapth514078/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Hydrant Valve., patent, September 26, 1911; (https://texashistory.unt.edu/ark:/67531/metapth514078/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .