696050 The sweet potato as a flour substitute, c.1915 (litho) by Carver, George Washington (c.1864-1943); 28.2x16.1 cm; Gilder Lehrman Collection, New York, USA; (add.info.: Carver, a celebrated agricultural chemist at the Tuskegee Institute, offers advice and recipes regarding conservation of the year\'s unusually large sweet potato crop. Provides recipes for using sweet potatoes to make flour, bread, and biscuits. Carver, noted for his developments in peanut farming, revolutionized Southern agriculture through his experiments with crop diversification. He also expanded the industrial use of agricultural products. ); 穢 Gilder Lehrman Institute of American History ; American, out of copyright.