Unnamed 250ft 3 masted central Battery Ironclad Steam Frigate (1866)
Scale 1:192. Plan shows the sails design drawing for a unnamed 250ft 3 masted Central Battery Ironclad Steam Frigate (1866). The title of the plan is "Drawing of Sails for an Ironclad frigate of 3082 Tons and 600 H. P.".