Water Elevator., patent, July 19, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171579/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Water Elevator., patent, July 19, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171579/m1/2/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .