Scale 1:48. A plan showing the inboard profile and a section through the keel of the 'Harrier' (1854), a 17 gun screw sloop of the Cruizer class. Notes on the plan indicate that copies were sent to various yards for work on the 'Alert' (1856), 'Cruizer' (1852), 'Fawn' (1856), also of this class, and 'Mutine' (1859) of the Greyhound class [originally ordered as a Cruizer, this was changed in 1856]. The plan has been signed by John Edye and Isaac Watts [both Assistant Surveyors of the Navy in 1854].