Locust (1840) and Myrmidon (1845)

Scale 1:96. Plan shows the sketch of sails for the Lizard class paddle gunvessel Locust (1840) and the Myrmidon class paddle gunvessel Myrmidon (1845). A note on the drawing states this sketch can be use for Myrmidon per Admiralty Order dated 1 July 1857. This plan bears the signature of Isaac Watts [1st Assistant Surveyor 1848-1860].