Books on Engineering (3). Head, Sir Francis B., the Royal Engineer, London, John Murray, 1869,7 plates, extra litho title page, xii,391pp., some foxing to prelims [only], marbled edges and endpapers, 8vo., contemporary 1/2 calf with raised bands and gilt spine, spine darkened, cloth boards, gilt crest of parliamentary library on front cover, no other marks. Quite a nice copy; [ Nasmyth ] Smiles, Samuel [editor], James Nasmyth, Engineer. An Autobiography, London, John Murray, 1883. First edition, Portrait frontis., numerous wood-engraved illustrations, some full page, xviii,(2),456pp., 4pp. adverts, 8vo., green cloth gilt, with gilt vignette of the Steam Hammer on front board. Some slight rubbing to tips and spine ends but a very good copy; [Watt, James] Williamson, George, Memorials of the Lineage, Early Life, Education, and Development of the Genius of James Watt, Edinburgh, Thomas Constable for the Watt Club, 1856, Portrait frontispiece, 2 engraved portraits, 6 plates (1 double-page, 3 tinted and 2 folding), 7 facsimiles (3 double-page and one folding) and a large folding engraved map,262pp., marbled endpapers and edges, 4to., near-contemporary quarter morocco, cloth boards. a very good clean copy.