Scale 1:48. Plan shows the forecastle deck, as fitted of the Lion class battlecruiser Lion (1910). Two Devonport Dockyard Manager of Constructive Department stamps, dated 4 July 1912 and 9 April 1913 are printed on the drawing. A Rosyth Dockyard Constructor's Department stamp, dated 14 May 1920 is printed on the plan. A Rosyth Dockyard Manager of Constructive Department stamp dated 16 November 1920 is also printed on the drawing. Modifications made in green ink at Rosyth Dockyard dated May 1920 and November 1920 are on the drawing. there are two maker's signatures in the bottom left corner.