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Cotton Gin
The Cotton Gin,a machine that removes seeds from cotton faster for better production by Eli Whitney in 1793 -
Interchangeable Parts
The Interchangeable Parts are made by Eli Whitney in 1798 to replace parts faster and easier,though it made blacksmiths not needed -
Mechanical Reaper
The Mechanical Reaper, made by Cyrus McCormick in 1831.It increased production of grains and helped increased revenue for farmers. -
Steel Plow
The Steel Plow, made by John Deere in 1837. It was made to cut through wet soil faster and not get any soil on the plow so they don't have to wash it off
