Pyrotechnic Device., patent, November 3, 1908; (https://texashistory.unt.edu/ark:/67531/metapth510240/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Pyrotechnic Device., patent, November 3, 1908; (https://texashistory.unt.edu/ark:/67531/metapth510240/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .