Raising and Lowering Mechanism for Harvesters, patent, June 14, 1892; (https://texashistory.unt.edu/ark:/67531/metapth173085/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Raising and Lowering Mechanism for Harvesters, patent, June 14, 1892; (https://texashistory.unt.edu/ark:/67531/metapth173085/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .