Description: Non-listed Principal Structures of the RGPM: Part 3 Development of Chemical Explosives. Section 3 20th Century - The South Site Guncotton Factory and Guncotton Drying by Les Tucker including references toFrerick Abel, E O Brown , RawCotton, Hand Picking, Teasing, rying, Nitration the Nathan-Thomson Disacement Process, WT and J M Thomson , W Mac Nab, Col Nathan, Purification, Boiling, Beating, Pulping, A W Williamson, Potching Washing, Poaching, Blending, Foreign Matter Remval, Mouling (Pressing) Slabs and Primers, Transpo, Drying Guncotton for Cordite Manufacture,