Who Invented The Reaping Machine?

Who Invented The Reaping Machine? In 1831, twenty-two-year-old Cyrus McCormick took over his father’s project of designing a mechanical reaper. When was the reaping machine invented? While the McCormicks were improving their machine at Walnut Grove, Hussey was inventing his mechanized reaper in Baltimore. He demonstrated his machine during the harvest of 1833 and patented