Eli Whitney. By Katie . Biography of Eli Whitney . Eli Whitney was born on December 8 th 1765 He grew up on a farm Eli studied at Yale before his making his inventions He crafted canes and ladies hatpins . Cotton Gin .
After 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