Scale 1:192. Plan shows the outboard profile, sail plan and main deck design drawing of the Bacchante class iron screw corvettes Bacchante (1876) and Boadicea (1875). The title of the drawing is "New Covered deck corvette sheathed with wood of 2679 Tons". The words "Bacchante and Boadicea 20266 Rig and sails and masts, Boadicea and Bacchante 1870s DNCR 192" are written on the revers of the plan. The drawing bears the signature of Nathaniel Barnaby [Chief Constructor of the Royal Navy 1872-1885, changed to Director of Naval Construction in 1875].