1871 - HMS DEVASTATION Floated

12th July. HMS “Devastation(4,406 tons) the first ironclad built at Portsmouth in a dry dock was floated up.

Generally thought to have been built in No. 9 Dry Dock. Construction had employed 500-600 men since the keel was laid 12 November 1869. She was the first mastless ocean going Turret ship.