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A model of a 19th-century cotton gin on display at the Eli Whitney Museum in Hamden, Connecticut. A Cotton Gin—meaning "Cotton engine" [1] [2] —is a machine that quickly and easily separates cotton fibers from their seeds, enabling much greater productivity than manual cotton separation. [3]
The Munger System Ginning Outfit (or system gin) integrated all the ginning operation machinery, thus assuring the cotton would flow through the machines smoothly. Such system gins use air to move cotton from machine to machine. [4] Robert's motivation for his inventions included improving employee working conditions in the gin.
The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States.. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.
The cotton gin transformed Southern agriculture and the national economy. [11] Southern cotton found ready markets in Europe and in the burgeoning textile mills of New England. Cotton exports from the U.S. boomed after the cotton gin's appearance – from less than 500,000 pounds (230,000 kg) in 1793 to 93 million pounds (42,000,000 kg) by 1810 ...
The worm gear roller cotton gin, or churka, came into use in India between the 13th and 17th centuries [23] and is still used in India in the present day. [17] The incorporation of the crank handle in the churka first appeared in India sometime during the late Delhi Sultanate or the early Mughal Empire. [23]
The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. 950, sec. 1, 66 Stat. 792). From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents [ 9 ] relating to several well-known inventions appearing throughout the timeline below.
Single roller cotton gin – The Ajanta Caves of India yield evidence of a single roller cotton gin in use by the 5th century. [66] This cotton gin was used in India until innovations were made in form of foot powered gins. [67] The cotton gin was invented in India as a mechanical device known as charkhi, more technically the "wooden-worm ...
The Daniel Pratt Cotton Gin Manufactory (Continental Eagle Corporation 1986–2012) was a cotton gin factory created by Daniel Pratt in 1854 (Present Buildings on west side of Autauga Creek), in what is now Prattville, Alabama, [1] a town named for him. The factory became the largest cotton gin machinery factory in the world and supplied cotton ...