Show-Case., patent, March 8, 1910; (https://texashistory.unt.edu/ark:/67531/metapth514235/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Show-Case., patent, March 8, 1910; (https://texashistory.unt.edu/ark:/67531/metapth514235/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .