Windmill, patent, July 23, 1912; (https://texashistory.unt.edu/ark:/67531/metapth509479/m1/3/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Windmill, patent, July 23, 1912; (https://texashistory.unt.edu/ark:/67531/metapth509479/m1/3/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .