Locomotive Driving-Box, patent, April 30, 1912; (https://texashistory.unt.edu/ark:/67531/metapth514845/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Locomotive Driving-Box, patent, April 30, 1912; (https://texashistory.unt.edu/ark:/67531/metapth514845/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .