210ft Unnamed proposed 3 masted steam gun vessel to Carry 4-12 1/2 Ton Guns (1868)
Scale 1:48. Plan shows the plan view of the crown of the battery of a 210ft Unnamed proposed 3 masted steam gun vessel to Carry 4-12 1/2 Ton Guns (1868). The title of the drawing is "Plan of Crown to Battery for Gun Vessel of 300 Nom H.P. to carry 4 No. 12 1/2 Ton Guns". There is a large tear along the top edge of the plan.