Nisibis City Of Turkey for He headed south in 1793, and while a guest at a Georgia plantation learned of the challenges posed by cotton production. He devised a model for a machine that used a roller with wire teeth and a slotted sieve to tear the cotton fibers away from the seeds. A revolving brush caught the cleaned cotton, and the seeds dropped into a separate compartment. The contraption allowed one person to separate more cotton in a single day than a hundred workers doing it by hand. In 1794, Whitney applied for a patent on his invention. Whitney’s mechanical ingenuity did not, however, ensure his business success. Many planters were excited by the potential of the gin and quickly pirated his invention. Nisibis City Of Turkey 2016.