Cotton Gin

The cotton gin is a machine that is used to separate the seeds from the cotton fiber. It highly reduced the amount of time required separate the seeds from the cotton, as compared to the manual separation. As a result, the cost of the new fabrics made from it decreased dramatically and made the cotton a profitable business especially for the South Americans.

Cotton-CropThe Simple machines to separate seeds from cotton existed centuries before the Eli Whitney’s invention of cotton gin. But, they were only useful for long-staple cotton. South Americans could grow only short-staple cotton, whose seeds were removed manually with hands because early machines that were used for long-staple cotton were not useful for short-staple cotton. Due to hand labor in seed separation process, the cotton was very costly and not enough profitable business for the South. Eli Whitney’s invention of cotton gin made the cotton a profitable business, especially for the southern state.

Eli Whitney – Invention of the cotton gin

Eli Whitney was a young man and a graduate of Yale. He was poor and in need of a job to pay his debts, so he moved to the south and worked in Georgia as a private tutor on a plantation. Here he observed that farmers had a lot of difficulty in separating the seeds from the short-staple cotton and they were in need of a device that can be used to easily separate the seeds to make the cotton a profitable crop.

Eli Whitney quickly understood the need of the farmers and was encouraged by his employer lady Catherine Green to find the solution for this problem. Eli Whitney worked on that problem and after the seven months in 1793, he invented the machine known as cotton gin. His invention was able to separate the seeds from the cotton fibers. He got a patent for his invention in 1794.

Cotton-Gin

Cotton gin

 

How cotton gin works

Whitney’s cotton gin consisted of a boxed revolving cylinder, a rotating brush, a crank, a belt, a set of pulleys, a comb-like grid and spikes. When crank was turned, it turned the cylinder, which pulled the cotton in from a small opening. Seeds were then brushed out and clean cotton pulled out from the cotton gin.

How-Cotton-Gin-Works

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