Scraper for Mixing-Machines, patent, June 4, 1901; (https://texashistory.unt.edu/ark:/67531/metapth509678/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Scraper for Mixing-Machines, patent, June 4, 1901; (https://texashistory.unt.edu/ark:/67531/metapth509678/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .