Scale 1:48. Plan shows the sheer lines, longitudinal half breadth and body plan of the Sidon class paddle steam frigate Sidon (1846). The plan bears the signature of Joseph Large [Secretary of the Committee 1848]. The title of the plan is 'Construction Draft of a Steam frigate of the Sidon class of the dimensions and armament undermentioned, prepared by the Committee of Reference in pursuance of the directions of the Lords Comissioners of the Admiralty 15 October 1847. The plan is mounted on paper