Note 28 — HISTORICAL NOTES
Reading edition
Davis, Intellectual Life, pp. 159-160, 167. Among the inventions of the McCormick family were threshing machines, hydraulic machines, a hemp-brake, blacksmith’s bellows, and self-stoppers for grist mills. Other patents issued to Virginians dealt with plows, grain screens, rice hullers, hemp and flax breakers, corn shellers, beehives, clover seed cleaners and gatherers, tobacco presses, and corn grinders.