210ft Unnamed proposed 3 masted steam gun vessel to carry 4-12 1/2 Ton Guns (1868)
Scale 1:48. Plan shows the midship section 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 "Midship Section for an Iron Armour Plated Gun Vessel of 300 Nom H.P.".