Electric-Arc-Light Reflector., patent, July 27, 1897; (https://texashistory.unt.edu/ark:/67531/metapth174682/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Electric-Arc-Light Reflector., patent, July 27, 1897; (https://texashistory.unt.edu/ark:/67531/metapth174682/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .