Eli WhitneyBy Katie

Biography of

Eli Whitney Eli Whitney was born on December

8th 1765 He grew up on a farm Eli studied at Yale before his making

his inventions He crafted canes and ladies hatpins

Cotton Gin During the winter of 1792 Whitney worked on

his new invention the cotton gin He decided to make this invention because, he

studied how the slaves moved their while they cleaned the cotton

Cotton gin was used to create cotton in less than an hour

It took 10 days to create the Cotton Gin The invention could separate the and the seeds

50 times faster than the slaves did

Interchangeable Parts

People stole the cotton gin so created another invention

He made 10,000 guns for the government since he heard that the government needed them

He made the guns by making a mold for each part This method was faster then building it by hand It was also less expensive When he made the interchangeable parts he made

sure that each part could fit into another gun if it needed that part

Before Before the invention of the Cotton Gin

slaves would have to make the cotton by hand which took a very long time also the results were good because the seeds stayed in the finished product

Before the inventing of interchangeable parts and the molds that made it quicker, the guns would be made in time that the government needed them

AfterAfter the invention of the Cotton Gin was made it was a lot quicker to clean the cotton but it took a lot of people to grow and pick the cotton.After the invention of the interchangeable parts and the molds the guns made sure that each part would fit into any of the other guns