Scale: 1:48. Plan showing the inboard profile with some external detail for 'Barham' (1811), a 74-gun Third Rate, two-decker, as cut down to a 50-gun Fourth Rate Frigate at Woolwich Dockyard. The plan includes alterations from February 1827 for Sir Robert Seppings' approval and a note that copies of the draught were sent to Portsmouth, Sheerness, and Plymouth Dockyards for the other Third Rates of the 'Armada' class proposed to be cut down.

Signed by Oliver Lang [Master Shpwright, Woolwich Dockyard, 1826-1853] and later by Sir Robert Seppings [Surveyor of the Navy, 1813-1832].