330ft Unnamed 3 masted rigged torpedo ram (1878)
Scale 1:192 and 1:48. Plan shows the outboard profile with sail plan, the armoured deck and the midship section of a 330ft unnamed 3 masted rigged torpedo ram (1878). The title of the drawing is "Outline Design for a Rigged Torpedo Ram of 16 Knots speed, Protected by an underwater Steel Deck and fitted Cellular Construction at the waterline". The plan is torn in various places.