Improvement in Air-Pressure Fluid-Vents., patent, December 25, 1877; (https://texashistory.unt.edu/ark:/67531/metapth166738/m1/2/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Improvement in Air-Pressure Fluid-Vents., patent, December 25, 1877; (https://texashistory.unt.edu/ark:/67531/metapth166738/m1/2/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .