Scale 1:48. A drawing for the Royal yachts Catherine (not built) and William and Mary (1807), made at the Navy Office in June 1801. Showing sheer lines with inboard detail, body plan with stern board, and longitudinal half-breadth. With the following inscriptions:
-'A copy of this draught was sent to Deptford Yards 27th June 1801 for building two yachts'
-'N.B. The alterations of the masts in plain red and Decks in red tickt lines are agreeable to the Profile Draught as the Yachts were ordered to be built, but were not made in the Sheer Draught sent to Deptford, by order of Sir John Henslow'
-'Sheer Draught of the Yachts building in Deptford Yard June 1801 William and Mary' (on reverse)