Improvement in Screw-Propulsion., patent, November 9, 1875; (https://texashistory.unt.edu/ark:/67531/metapth166494/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Improvement in Screw-Propulsion., patent, November 9, 1875; (https://texashistory.unt.edu/ark:/67531/metapth166494/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .