Hydrocarbon-Burning Furnace., patent, December 6, 1898; (https://texashistory.unt.edu/ark:/67531/metapth514599/m1/2/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Hydrocarbon-Burning Furnace., patent, December 6, 1898; (https://texashistory.unt.edu/ark:/67531/metapth514599/m1/2/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .