Invented a mechanical reaper that greatly increased the speed of harvesting crops

invention that allowed the ready-made clothing industry to greatly expand

inventor of the telegraph

developed the idea for making muskets (guns) with interchangeable parts, which became the basis for the assembly-line production method

machine that efficiently spun cotton thread

machine that automated the removal of seeds from cotton fiber and greatly increased cotton production

patented the process for vulcanizing rubber (making it stronger and more elastic)

invented a steel plow that could break difficult soil and could be pulled by horses

formed a process that automated the production of cloth in textile mills

answers:
francis lowell
cyrus mccormick
samuel morse
eli whitney
cotton spindle
cotton gin
sewing machine
john deere
charles goodyear