Unnamed 235ft proposed coast defence monitor (1867)
Scale 1:48. Plan shows the sheer lines, body plan and longitudinal half breadth design drawing for a unnamed 235ft coast defence monitor (1867). The title of the plan is "Design for a Coast Defence Monitor (with raised breast work) of 400 Nom' H. P. and 2494 Tons". The right hand edge of the drawing is fragile.