Two radial hinges, one axial hinge for oscillogyro. Made from nickel iron chromium alloy. Labelled 'RAE made in NI-SPAN-C.' Made by Ferranti International, Bracknell, 1964-1969. hinges for oscillogyro 1964-1969
2 flexures or experimental hinges for oscillogyro. Labelled "NI-SPAN-C 902. Experimental hinges 003 ground only." Made by Ferranti International, Bracknell, 1964-1969. flexure or experimental hinge for oscillogyro 1964-1969
14 radial hinges for oscillogyro, mark 4, made of nickel iron chromium alloy. Inspected on 16 November 1967. Labelled 'NI-SPAN-C MK IV hinges. Two hours heat treatment.' Made by Ferranti International, Bracknell, 1964-1969. radial hinges for oscillogyro, MK IV 1967