Dipping-Vat., patent, May 23, 1899; (https://texashistory.unt.edu/ark:/67531/metapth509092/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Dipping-Vat., patent, May 23, 1899; (https://texashistory.unt.edu/ark:/67531/metapth509092/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .