Flexure for oscillogyro. Alloy made of nickel, iron and chromium. Labelled "NI-SPAN-C 902 sample hinge for heat treatment as per drawing". Made by Ferranti International, Bracknell, 1964-1969. Flexure for oscillogyro 1964-1969
Artificial hip joint before polishing, made of cobalt and chrome alloy by Cambridge Vacuum Engineering, 1996 Artificial hip joint before polishing 1996