Scale 1:48. Plan showing the body plan, sheer lines with modifications to decks and sten timbers, longitudinal half breadth both for Diamond (1774), Orpheus (1774)both 32-gun, Fifth Rate Frigates. Annotation, top right: "A Copy of this Draught was given to Messers Bernard & Turner of Harwich, for building the Orpheus, 18th Jan 1771. Anotherwas given to Mr Hodgson of Hull for Building the Diamond 22nd March 1771." front "N.B. Head & Bowspirit as described in Red are as the Diamond was fitted." front pencil "N.B. Stern Timbers to be carried at to the Red spotted lines."