Ginning – method of separating cotton fibres from seeds. The cotton gin was invented in 1792 by Eli Whitney; the importance of this invention to the cotton industry throughout the world is significant. The cotton ginning needed to supply raw materials securely and sufficiently to meet the requirements of newly invented machinery for spinning and weaving during the industrial revolution. When the seeds from the cotton at the gin, covered with lint of cotton. When removed seeds through a delinter, which takes off the small, short fibre from the seeds, leaving them clean.