dropped. It did drop – but only by five-sixteenths of an inch. An Account of the Construction of the Britannia and Conway Tubular Bridges, (1849) Experiments to determine the effect of impact, vibratory action, and long continued changes of load on wrought iron girders, (1864) Philosophical Transactions of the Royal Society of London vol. 154, S. 311 Treatise on Iron Shipbuilding, (1865) See also McConnel & Kennedy Mills Kay & Routledge References Lowe, J.W., (1989) British Steam Locomotive Builders, Guild Publishing Pole, W., (1877) The Life of Sir William Fairbairn, Bart., (ed. W. Pole) External links History William Fairbairn & Sons Fairbairn Manufacturing companies based in Manchester Defunct companies based in Manchester