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Cotton Gin

(short for Cotton Engine)

The cotton gin is a device for removing the seeds from cotton fiber. Simple devices for that purpose have been around for centuries, an East Indian machine called a charka was used to separate the seeds from the lint when the fiber was pulled through a set of rollers. The charka was designed to work with long-staple cotton, but American cotton is a short-staple cotton. The cottonseed in Colonial America was removed by hand, usually the work of slaves.

Eli Whitney's machine was the first to clean short-staple cotton. His cotton engine consisted of spiked teeth mounted on a boxed revolving cylinder which, when turned by a crank, pulled the cotton fiber through small slotted openings so as to separate the seeds from the lint -- a rotating brush, operated via a belt and pulleys, removed the fibrous lint from the projecting spikes.

The gins later became horse-drawn and water-powered gins and cotton production increased, along with lowered costs. Cotton soon became the number one selling textile.

As Eli Whitney left New England and headed South in 1792, he had no idea that within the next seven months he would invent a machine that would profoundly alter the course of American history. A recent graduate of Yale, Whitney had given some thought to becoming a lawyer. But, like many college graduates of today, he had debts to repay first and needed a job. Reluctantly, he left his native Massachusetts to assume the position of private tutor on a plantation in Georgia.

There Whitney quickly learned that Southern planters were in desperate need of a way to make the growing of cotton profitable. Long-staple cotton, which was easy to separate from its seeds, could be grown only along the coast. The one variety that grew inland had sticky green seeds that were time-consuming to pick out of the fluffy white cotton bolls. Whitney was encouraged to find a solution to this problem by his employer, Catherine Greene, whose support, both moral and financial were critical to this effort. At stake was the success of cotton planting throughout the South, especially important at a time when tobacco was declining in profit due to over-supply and soil exhaustion.

Whitney knew that if he could invent such a machine, he could apply to the federal government for a patent. If granted, he would have exclusive rights to his invention for 14 years (today it is 20 years), and he could hope to reap a handsome profit from it.

While Eli Whitney is best remembered as the inventor of the cotton gin, it is often forgotten that he was also the father of the mass production method. In 1798 he figured out how to manufacture muskets by machine so that the parts were interchangeable. It was as a manufacturer of muskets that Whitney finally became rich. If his genius led King Cotton to triumph in the South, it also created the technology with which the North won the Civil War

 

 Interesting story about the cotton gin. Our curator initially hesitated to take it because it was in very bad shape. Rusty and dirty.

One day an Eagle Scout came in looking for a project. His father was in the textile industry. After eight months, he had fully restored it and even built the platform from wood from the equinox mill.