Cleaning and Polishing Apparatus., patent, April 27, 1909; (https://texashistory.unt.edu/ark:/67531/metapth509144/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Cleaning and Polishing Apparatus., patent, April 27, 1909; (https://texashistory.unt.edu/ark:/67531/metapth509144/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .