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Eli Whitney invented the cotton gin to transform cotton into a useable product by removing the cotton seeds from the cotton fiber.
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Thomas Jefferson inventor of the first iron plow.
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henry blair
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Cyrus McCormick invented the grain reaper to save labor cutting wheat oats and similar crops.
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John deere improved the iron plow
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Edmund Quincy
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Joseph Glidden
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Anna Baldwin changed the dairy industry by inventing a machine to replace hand milking.
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Thomas elkins designed a device that helped with the task of preserving foods by way of refrigeration.
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George washington carver developed crop rotations and the use of legumes to significantly improve soil fertility in the U.S. south
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Ben Holt invented the tractor which came to replace the mule as the sources of power.
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John Sanford developed a device for injecting cells with genetic information
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First used in ontario canada. May reduce lador.
