VERNON-HARCOURT, Leveson Francis. A Treatise on Rivers and Canals relating to the control and imporvement of rivers and the design, construction, and development of canals, Oxford: Clarenson Press, 1882. 2 volumes, 8°, half titles, 21 folding engraved plates, illustrations (a few plate margins browned, a few occasional spots), original publisher's cloth (spines worn, exrtemities rubbed).
CLARK, Edwin. The Britannia and Conway Tubular Bridges. With general inquiries on beams and on the properties of materials used in construction, London: published for the author by Day and Son, 1850. 2 volumes only (lacking the plate volume), 8°, half titles, 2 lithographed frontispieces and 16 plates, wood-engraved diagrams and illustrations (occasional light spotting, backstrip broken, most gatherinmg detached), contemporary blind-stamped cloth (covers detached, spine torn away, worn), signature Joseph Neel (August 1850) and perforated stamp of Singleton Brook on titles.
With 4 other works in 5 volumes, including D. F. J. Arago's Historical eulogium on James Watt; and an essay on machinery (London, n.d.) and William Stephenson's The System of Land Surveying (London, 1805, uncut). (9)