Scale: 1:24. Plan showing a stern quarter elevation, and half-deck plans for roundhouse, quarterdeck, upper deck, and middle deck (or lower deck) for two- and three-decker ships of the line. The plan illustrates the shape of the stern at each deck, the position of the gun ports, and the outline of the stern walkways and galleries.

Signed by Robert Seppings [Surveyor of the Navy, 1813-1832].