Scale 1:48. Plan showing the body plan with half stern board and frame outline, sheer lines with midship framing, and longitudinal half breadth for Spartan (1841) and Creole (1845), and later with modifications for Amethyst (1844) and Niobe (1849), all 28-gun Sixth Rate ships. The modifications are also relevant to Creole (1845). This was prior to Niobe (1849) being re-ordered as one of the Diamond class in March 1846. Signed W[illiam].Symonds (Surveyor of the Navy)
Annotation in black ink at the top right: "The alterations of the Head Le in Red are from a Sketch dated Somt House, 21 Dec 1839."
"The alterations of the Fore Port as crossed in Red ink are from a sketch dated Somt House June 4th 1841."
Annotation in black ink at top left: "The height of Ports in Red as pr Order 26 August 1841."
""The rake of the main and Mizzen Masts as in Black dotted lines to be conformed to - pen profile 24th Jany 1844."