Show-Case, patent, October 19, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171802/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Show-Case, patent, October 19, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171802/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .