Oil-Burner., patent, July 20, 1909; (https://texashistory.unt.edu/ark:/67531/metapth515078/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Oil-Burner., patent, July 20, 1909; (https://texashistory.unt.edu/ark:/67531/metapth515078/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .