Computing-Scale., patent, September 26, 1911; (https://texashistory.unt.edu/ark:/67531/metapth513641/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Computing-Scale., patent, September 26, 1911; (https://texashistory.unt.edu/ark:/67531/metapth513641/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .