Motor, patent, June 27, 1916; (https://texashistory.unt.edu/ark:/67531/metapth858623/m1/1/: accessed May 14, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Motor, patent, June 27, 1916; (https://texashistory.unt.edu/ark:/67531/metapth858623/m1/1/: accessed May 14, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .