No Scale. Plan shows Comparative outboard profiles and sail plans for Royal Naval warships dated between 1863-1872. The vessels represented on the plan are the Achilles class broadside ironclad Achilles (1863), the Minotaur class broadside ironclad Minotaur (1863), the Bellerophon class central battery ironclad Bellerophon (1865), the Hercules class central battery ironclad Hercules (1868), the Sultan class central battery ironclad Sultan (1870), the Monarch class masted turret ship Monarch (1868), the Hotspur class ironclad ram Hotspur (1870), The Glatton class breastwork monitor Glatton (1871) and the Devastation class turret ship Devastation (1872).