Diamond (1874) and Sapphire (1874)

Scale 1:192. Plan shows the sketch of sails for the Amethyst class wooden screw corvettes Diamond (1874) and Sapphire (1874). The plan bears the signatures of A. B. Sturdee [Chief Constructor of Sheerness Dockyard 1866-1878] dated 7 October 1873 and A. Moore [Chief Constructor of Devonport Dockyard 1865-1878]. This drawing is very fragile and in need of conservation.