Horse-Power, patent, August 28, 1888; (https://texashistory.unt.edu/ark:/67531/metapth171835/m1/1/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Horse-Power, patent, August 28, 1888; (https://texashistory.unt.edu/ark:/67531/metapth171835/m1/1/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .