Demy 8vo, cloth, 3s. 6d.

Tables for Arches.
By Frank Robertson, F.R.A.S., late First Lieut. R.E.


Just published, 8vo, cloth, 12s. 6d.

Engineering Notes.
By Frank Robertson, F.R.A.S., late First Lieut. R.E.


Second edition, Revised and Enlarged, small 4to, cloth, 12s. 6d.

A Practical Treatise on the Construction of Horizontal and Vertical Water-wheels, with Twelve Plates, especially designed for the use of Operative Mechanics. By William Cullen, Millwright and Engineer.