
Agamemnon-class ship of the line

The "Agamemnon"-class (sometimes known as the "James Watt"-class) steam battleships, or steam ships of the line, were a class of five 91-gun steam second rates of the Royal Navy. The original design was produced by John Edye in 1847, as a response to the French "Le Napoléon", which was rumoured to be under development.