Boron steel plate for use in reactor safety systems. Made by 20th Century Electronics 1958-70 on a large scale 1960-1970
Steel plate belonging to a Northrop single-shuttle 'S' loom with automatic bobbin insertion, 1939. Object inscription reads: 'No 26 MIDGET PATENTED BY-4847' Steel Plate from a Northrop single-shuttle 'S' loom 1939
