Scale 1:48. Plan shows the poop and forecastle deck, as fitted of the Bacchante class iron screw corvette Boadicea (1875). Alterations and additions are shown in sienna ink on the plan. The drawing bears the signatures of William B. Robinson [Master Shipwright of Portsmouth Dockyard 1869-1881, name changed to Chief Constructor in 1875] dated 31 January 1879 and H. E. Deadman [Chief Constructor of Portsmouth Dockyard 1886-1892] dated 1 May 1888. There are two signatures in the bottom left corner of the plan.