Scale 1:192. A mounted drawing showing sail plan for the wooden paddle sloop Retribution (1844), made at Somerset House and dated 3 June 1847. With the inscription: 'A sketch of the sails of the 'Retribution' shewing the adaption of a Mizen mast and the Mainmast removed from (a) to (b) in contemplation of the vessel being fitted with Tubular Boilers'.