Motor., patent, January 9, 1894; (https://texashistory.unt.edu/ark:/67531/metapth173616/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Motor., patent, January 9, 1894; (https://texashistory.unt.edu/ark:/67531/metapth173616/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .