Subject: ERDE Advanced Explosives Research Facility (AERF) Remote control miniature railway facility for Explosives Manufacture (RPFEM, Building M343, ERDE South Site - b/w photograph taken by Herts Mercury and County Press
Description: ERDE Advanced Explosives Research Facility (AERF) Remote control miniature railway facility for Explosives Manufacture (RPFEM, Building M343, ERDE South Site - b/w photograph taken by Herts Mercury and County Press
