20. Lall (Lalla Kunhya) A Collection of Designs for Wooden Bridges..., signed presentation copy from the author to the Institution of Civil Engineers inscribed on front free endpaper, stab-holes, library stamps, original cloth, roan label on spine, Roorkee, 1860 § Gwilt (Joseph) A Treatise on the Equilibrium of Arches, folding frontispiece, 4 plates, soiled, original cloth-backed boards, label defective, 1839 § Buck (G.W.) A Practical and Theoretical Essay on Oblique Bridges, second edition, folding plates, browned, original cloth, paper label on upper cover, spine faded, 1857, rubbed ; and 4 others on bridges, 8vo & 4to (7)
est. £200 – £300