invetion of cotton gin By northrop high school Period: Mar 14, 1794 to Dec 19, 1825 cotton gin https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=0ahUKEwjfvZj4-bTPAhWMuB4KHamUCrIQFggrMAM&url=http%3A%2F%2Fwww.history.com%2Ftopics%2Finventions%2Fcotton-gin-and-eli-whitney&usg=AFQjCNFB_de-r_7Z97cHIV6m-130LSL_DQ
