Scale: 1:48. Plan showing the body plan, sheer lines, and longitudinal half-breadth proposed (and approved) for Intrepid (1770), a 64-gun Third Rate, two-decker. The plan includes a table of mast and yard dimensions. The later alterations to the quarterdeck and forecastle roughtree rails are dated 1805.

Signed by John Williams [Surveyor of the Navy, 1765-1784].