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The Cotton Gin

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Invention

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The Cotton Gin

  1. 1. The Innovation of the Cotton Gin By:
  2. 2. Life Before the Cotton Gin <ul><li>Picking cotton by hand was extremely labor intensive </li></ul><ul><li>Cotton was not considered a profitable crop </li></ul><ul><li>Cotton was difficult to manufacture </li></ul>
  3. 3. Slavery Before the Cotton Gin <ul><li>Slaves would have to clean cotton by hand </li></ul><ul><li>Agriculture depended heavily on the slaves in the South </li></ul><ul><li>Slaves had to pick the seeds out of the cotton fibers and it took them one day to produce 1 lb. of cotton </li></ul>
  4. 4. Eli Whitney Biography <ul><li>Born on December 8, 1765 in Massachusetts </li></ul><ul><li>Worked on father’s farm </li></ul><ul><li>At age 15, had part-time job in father’s shop making nails </li></ul><ul><li>While tutoring on a Georgian Plantation he noticed slaves having trouble picking seed from cotton bolls. It took too long to clean the cotton </li></ul><ul><li>Graduated Yale College in 1792 </li></ul><ul><li>Was an American inventor best known for the cotton gin (1793) </li></ul>
  5. 5. The Cotton Gin: What is it? <ul><li>The cotton gin is a machine used to separate cotton fibers from the seed. </li></ul>
  6. 6. How The Cotton Gin Works <ul><li>First, the fibers and seeds of cotton bolls are fed into the cotton gin… </li></ul><ul><li>Next, while the handle is turned, the cylinder and brushes rotate… </li></ul><ul><li>Wire teeth pull cotton bolls through narrow wire slots… </li></ul><ul><li>Seeds too large fall to bottom of the gin… </li></ul><ul><li>5. Clean cotton fiber is pulled by rotating brushes from wire teeth out of the gin. </li></ul>
  7. 7. Slavery After the Invention of the Cotton Gin <ul><li>Economic foundation of slavery strengthened </li></ul><ul><li>More land was used to grow cotton, therefore more slaves were needed </li></ul><ul><li>Solidified the need for slavery in the South </li></ul>Slaves using the cotton gin.
  8. 8. Effects of the Cotton Gin on American Society… <ul><li>Positive Negative </li></ul><ul><li>1. Massive growth 1. Need for slaves increased </li></ul><ul><li>of cotton production 2. Number of slave states shot up </li></ul><ul><li>easier 3. Took land from Native Americans </li></ul><ul><li>2. Expanded Northern textile mills </li></ul><ul><li>3. Became cash crop of America </li></ul>
  9. 9. Patent on the Cotton Gin <ul><li>Whitney applied for patent on the cotton gin </li></ul><ul><li>Patent was ignored </li></ul><ul><li>More people made their own design </li></ul><ul><li>Whitney never became wealthy from invention </li></ul>
  10. 10. Historical Significance of the Cotton Gin <ul><li>Cotton became America’s leading cash crop </li></ul><ul><li>Impact on Slavery in the South </li></ul><ul><li>Greater availability and cheaper cloth </li></ul><ul><li>Affected politics until Civil War </li></ul><ul><li>Turning Point in economic history of US </li></ul>Wow!!!

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