Unnamed 330ft 3-masted ironclad frigate propsed by Laird Bros (1859)

Scale 1:96 and 1:576. Plan shows the sheer lines, longitudinal half breadth, body plan and sail plan for a unnamed 330ft 3-masted ironclad frigate proposed by Laird Bros (1859). The plan bears the signature of John Laird [Shipbuilder at Laird Bros 1805-1874] and his son William Laird {Shipbuilder at Laird Bros [1831-1899].