Industrial Revolution By Veronicafrieling May 3, 1790 Cotton Gin May 3, 1791 Steam Engine May 3, 1830 Screw Propeller May 3, 1830 mechanical Reeper May 3, 1841 Telegraph May 3, 1845 Sewing Machine May 3, 1860 Steam generator May 3, 1862 Plow May 3, 1870 Telephone May 3, 1875 Altering Current