Vaporizer, patent, April 25, 1905; (https://texashistory.unt.edu/ark:/67531/metapth509328/m1/2/: accessed July 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Vaporizer, patent, April 25, 1905; (https://texashistory.unt.edu/ark:/67531/metapth509328/m1/2/: accessed July 3, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .