Unnamed 308ft central battery ironclad, proposed by Rear Admiral J. M. Symonds C.B. circa 1865
Scale 1:96. Plan shows the proposed main deck for a unnamed 308ft Central battery ironclad circa 1865 designed by Rear Admiral J. M. Symonds C.B. The title of the plan is "Plan of main deck of Proposed ship by Rear Admiral T. M. Symonds C. B.". The plan bears the signature of Rear Admiral Thomas. M. Symonds C. B [Superintendent of Devonport Dockyard 1862].