Power-Motor., patent, May 19, 1896; (https://texashistory.unt.edu/ark:/67531/metapth174286/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Power-Motor., patent, May 19, 1896; (https://texashistory.unt.edu/ark:/67531/metapth174286/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .