Eli Whitney
American Inventor
Pioneer of Modern Manufacturing
1765-1825
Eli Whitney was an American inventor, pioneer, mechanical engineer, and manufacturer, but he is best remembered as the inventor of the cotton gin. He also influenced the development of industry in the United States.
Born in Westboro, Massachusetts, Whitney graduated from Yale College, in 1792. Whitney figured out that a machine to clean the seed from cotton could make the South prosperous and make its inventor rich. He set to work at once and within days had drawn a sketch to explain his idea; 10 days later he constructed a crude model that separated fiber from seed. He called his machine the "cotton gin" ("gin" is simply short for "engine") He received his patent in 1794.
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This invention had a great impact on the development of the southern United States. With the gin, cotton could be cleaned so efficiently that it became the most important crop in the South. Whitney's gin brought the South prosperity, but he could not make them fast enough, and other manufacturers began to copy his design, so he never made a lot of money on this invention. Whitney concluded that 'an invention can be so valuable as to be worthless to the inventor.' |
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For his next project, Whitney wanted to enable unskilled laborers to make complex products. He did this by designing products (rifles) with interchangeable parts. These were cut and shaped by machines that each performed one precise function over and over again. The workers would put each machine through its motions. He turned the idea of interchangeable parts into a manufacturing system, giving birth to the American mass-production concept. His genius made the southern United States dominant in cotton production and the northern states a power of industry. |
