Show-Case, patent, October 23, 1888; (https://texashistory.unt.edu/ark:/67531/metapth171881/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Show-Case, patent, October 23, 1888; (https://texashistory.unt.edu/ark:/67531/metapth171881/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .