Scale 1:48. Plan shows the sheer lines, longitudunal half breadth and body plan of the Gorgon class monitor Gorgon (1918). An Armstrong Naval yard stamp, bearing the Admiralty Overseer's signature, dated 18 October 1918. A second Armstrong Naval yard stamp, dated 7 October 1918 is printed above the former stamp. There are tears on the left and right hand edges of the plan. There are also numerous creases where the plan is starting to buckle.