Projectile, patent, August 16, 1912; (https://texashistory.unt.edu/ark:/67531/metapth853587/m1/4/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Projectile, patent, August 16, 1912; (https://texashistory.unt.edu/ark:/67531/metapth853587/m1/4/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .