Lubricator., patent, July 16, 1895; (https://texashistory.unt.edu/ark:/67531/metapth174037/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Lubricator., patent, July 16, 1895; (https://texashistory.unt.edu/ark:/67531/metapth174037/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .