sentences:  Rowell also invented the "Force Feed" for grain drills, harrows, hay rakes, fanning mills, and Tiger Threshing machines.Sales of these machines were throughout the Midwest, Canada, Germany, South America, Russia, to which many Rowell Tiger Threshers were sold, and South Africa.He has built up one of the largest manufactories of the state, and gained for himself a comfortable fortune, with the factory employing more than 200 employees.