Mauldin, Columbus Scott. Convertible Corn and Cotton Planter, Stalk-Cutter, and Roller., patent, April 28, 1896; (https://texashistory.unt.edu/ark:/67531/metapth174273/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .

Next page