Car Coupling., patent, May 6, 1884; (https://texashistory.unt.edu/ark:/67531/metapth170745/m1/1/: accessed July 13, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Car Coupling., patent, May 6, 1884; (https://texashistory.unt.edu/ark:/67531/metapth170745/m1/1/: accessed July 13, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .