The battleships of the world's navies in the 1820s were descended directly in line from the Revenge of 1577: they were wooden-built, sail-powered and mounted guns on the broadside, firing solid shot. In the next half century, steel, steam and shells had wrought a transformation and by 1906, Dreadnought had ushered in a revolution in naval architecture. The naval race between Britain and Germany that followed, led to the clash of the navies...