What Did Eli Whitney Invent?


Quick Answer

Eli Whitney invented the cotton gin. He was a pioneer in ushering in the interchangeable parts system, and he created milling machines that allowed workers to cut metallic parts for weapons.

Continue Reading
Related Videos

Full Answer

Whitney invented the cotton gin on a plantation under the employ of Catherine Green, a widow of a general from the Revolutionary War. He created the gin in response to the extensive manual labor that was necessary to clean the seeds from green-seed cotton. The gin used a network of wires, rotating brushes and hooks to clean the cotton. The machine created more cotton in 60 minutes than many workers in an entire day. The machine became a hit among farmers, but a slew of legal battles followed as others tried to mimic Whitney's invention.

Learn more about Inventions

Related Questions