Hydrocarbon-Burner, patent, July 4, 1916; (https://texashistory.unt.edu/ark:/67531/metapth858897/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Hydrocarbon-Burner, patent, July 4, 1916; (https://texashistory.unt.edu/ark:/67531/metapth858897/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .