Motor., patent, March 28, 1893; (https://texashistory.unt.edu/ark:/67531/metapth173354/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Motor., patent, March 28, 1893; (https://texashistory.unt.edu/ark:/67531/metapth173354/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .