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Eli Whitney
Inwented the cotton gin.
1793
Transformed cotton to a usable product
Removed cotton seed from cotton fiber -
Cast iron plow
Invented in the early 1800's
Thomas jefferson
Rough surface that dirt stuck to -
Cyrus Mcormick
Invented the grain reaper
1834
Cut grains
Cut wheat, oats, and other crops -
Steel moldboard plow
Invented 1893
Jhon deere
Smoother surface
Rich clay soil did not stick to it
Made plowing easier and faster -
corn picker
Invented in 1850
Edmund quincy
Helped speed up the harvesting of corn -
Milking Machine
invented in 1878
Anna Baldwin
Used vacuum suction
Replaced hand milking -
Tractor
invented in 1904
Benjamin holt
Replaced the mule as a source of power
Horse power