Scale 1:48. Plan shows the profile of inboard works of a 331 ft 5 inches central battery ironclad frigate circa 1874. The title of the drawing is "Iron clad Frigate, 5349 24/94 Tons and 1200 Horses Power Profile of Inboard Work". The words "3811 Ironclad for Turkey" are written on the reverse. A comment is written on the drawing which states "New Drawing to be prepared by contractors, shewing deck before and abaft battery raised (upper deck) and everything moved aft from 3 to 4 feet. Ordinary topside fitted".