Car Coupling., patent, January 7, 1890; (https://texashistory.unt.edu/ark:/67531/metapth172254/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Car Coupling., patent, January 7, 1890; (https://texashistory.unt.edu/ark:/67531/metapth172254/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .