Water-Heater., patent, August 4, 1903; (https://texashistory.unt.edu/ark:/67531/metapth513502/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Water-Heater., patent, August 4, 1903; (https://texashistory.unt.edu/ark:/67531/metapth513502/m1/1/: accessed June 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .