Scale 1:48. Plan showing the midship, fore and aft framing proposed and approved for Diamond (1774), Orpheus (1774), both 32-gun, Fifth Rate Frigates. Annotation in top right: "N.B. All the Timbers in the Midship Room to be Sided as expressed in Figures." "A Copy was sent to Messers Bernard & Co at Harwich for the orpheus 14th June 1771. Another to Mr Hodgson at Hull for the Diamond 16th June 1771."