Scale 1:96. A blueprint copy of a plan showing a constructional section, as designed, of the Emerald class light cruisers (1919). The plan has been signed by Sir Eustace Henry William Tennyson D'Eyncourt, [Director of Naval Construction 1912-1924]. It has a builders stamp for Sir W. G. Armstrong Whitworth & Co Ltd dated 2 April 1918. This suggests that the plan was used for the light cruiser Emerald (1920).