Pouncing-Machine., patent, April 26, 1898; (https://texashistory.unt.edu/ark:/67531/metapth512094/m1/2/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Pouncing-Machine., patent, April 26, 1898; (https://texashistory.unt.edu/ark:/67531/metapth512094/m1/2/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .