A McCarthy Gin manufactured to an 1881 patent specification by Platt Brothers Ltd. in Oldham, England. This rear view shows the spirally-wound textured roller that works in conjunction with the reciprocating blade to gin the cotton. In front of the roller is the characteristic leather doffing roller.
Courtesy of USDA, ARS, Southwestern Cotton Ginning Research Laboratory, Mesilla Park, New Mexico. Photograph by Billy M. Armijo