Supporting Bracket for Freezing Device, patent, March 29, 1912; (https://texashistory.unt.edu/ark:/67531/metapth508906/m1/1/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Supporting Bracket for Freezing Device, patent, March 29, 1912; (https://texashistory.unt.edu/ark:/67531/metapth508906/m1/1/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .