By Alex. J. S. Graham, C.E. With numerous Diagrams. Second Edition. 18mo, cloth

2/6

THE CONSTRUCTION OF LARGE TUNNEL SHAFTS.

A Practical and Theoretical Essay. By J. H. Watson Buck, M. Inst. C.E., Resident Engineer, L. and N. W. R. With Folding Plates, 8vo, cloth

12/0

“Many of the methods given are of extreme practical value to the mason, and the observations on the form of arch, the rules for ordering the stone, and the construction of the templates, will be found of considerable use. We commend the book to the engineering profession.”—Building News.

“Will be regarded by civil engineers as of the utmost value, and calculated to save much time and obviate many mistakes.”—Colliery Guardian.

CAST & WROUGHT IRON BRIDGE CONSTRUCTION

(A Complete and Practical Treatise on), including Iron Foundations. In Three Parts.—Theoretical, Practical, and Descriptive. By William Humber, A.M. Inst. C.E., and M. Inst. M.E. Third Edition, revised and much improved, with 115 Double Plates (20 of which now first appear in this edition), and numerous Additions to the Text. In 2 vols., imp. 4to, half-bound in morocco

£6 16s. 6d.