Compound Tool, patent, April 26, 1904; (https://texashistory.unt.edu/ark:/67531/metapth514973/m1/2/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Compound Tool, patent, April 26, 1904; (https://texashistory.unt.edu/ark:/67531/metapth514973/m1/2/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .