Benjamin Holt and Caterpillar: Tracks and Combines

Benjamin Holt and Caterpillar: Tracks and Combines is the first definitive history and scholarly study on the life and inventive genius of Benjamin Holt. Not only does it portray his invention and successful development of the crawler tractor, but also the advancement he made in improving the combined harvester." "The combine harvester, or simply combine, is a machine that harvests grain crops. The name derives from its combining three separate operations comprising harvesting-reaping, threshing, and winnowing-into a single process. Among the crops harvested with a combine are wheat, oats, rye, barley, corn (maize) , sorghum, soybeans, flax (linseed) , sunflowers, and canola.