Furnace-Forming Die, patent, January 17, 1911; (https://texashistory.unt.edu/ark:/67531/metapth511556/m1/1/: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Furnace-Forming Die, patent, January 17, 1911; (https://texashistory.unt.edu/ark:/67531/metapth511556/m1/1/: accessed June 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .