Description: Papers of Lee A. Rodgers '38, including a poster for the Ag Ball ("Corncob Cotillion") of 1938, and operation and maintenance manuals for John Deere tractors (1941, 1947), combine (1947), corn planters (1944, 1947), corn pickers, cultivators, and other equipment (1941-42), tower cultivators (1936) McCormick Deering harrow (1929), and McDonald pumps.