A scale model of a Royal Navy Revenge-class battleship, by Bassett-Lowke, circa 1920.

1/100 scale.

Single cylinder live steam engine: Whitney, City Road, London.

Boiler with Basset-Lowke pressure gauge. 0-120 PSI.

Makers label to stern: BASSET-LOWKE LTD. MODEL ENGINEERS NOTHAMPTON

Length: 183.5 cm.

The Revenge class, sometimes referred to as the Royal Sovereign class or the R class, consisted of five Dreadnought battleships built for the Royal Navy in the 1910s. All of the ships were completed to see service during the First World War.

HMS Revenge, 06, Builder: Vickers. Launched: 29 May 1915. (Battle of Jutland, 1916).

HMS Resolution, 09, Builder: Palmers. Launched: 14 January 1915.

HMS Royal Oak, 08, Builder: HM Dockyard, Devonport. Launched: 17 November 1914. (Battle of Jutland, 1916. Sunk at Scapa Flow, October 1939).

HMS Royal Sovereign, 05, Builder: HM Dockyard, Portsmouth. Launched: 29 April 1915. (Transferred to the Soviet Navy as Arkhangelsk 1944–1949).

HMS Ramillies, 07, Builder: W. Beardmore. Launched: 12 June 1916.