Oil-Burner, patent, July 11, 1911; (https://texashistory.unt.edu/ark:/67531/metapth512377/m1/4/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Oil-Burner, patent, July 11, 1911; (https://texashistory.unt.edu/ark:/67531/metapth512377/m1/4/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .