Windmill, patent, June 28, 1913; (https://texashistory.unt.edu/ark:/67531/metapth859717/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Windmill, patent, June 28, 1913; (https://texashistory.unt.edu/ark:/67531/metapth859717/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .