Angle Cock Device, patent, March 9, 1915; (https://texashistory.unt.edu/ark:/67531/metapth858885/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Angle Cock Device, patent, March 9, 1915; (https://texashistory.unt.edu/ark:/67531/metapth858885/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .