Clock Attachment., patent, March 8, 1898; (https://texashistory.unt.edu/ark:/67531/metapth514040/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Clock Attachment., patent, March 8, 1898; (https://texashistory.unt.edu/ark:/67531/metapth514040/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .