Rail-Joint., patent, February 25, 1902; (https://texashistory.unt.edu/ark:/67531/metapth512736/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Rail-Joint., patent, February 25, 1902; (https://texashistory.unt.edu/ark:/67531/metapth512736/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .