"The best treatise that has ever been published on steam boilers."—Engineer.

"The author shows himself perfect master of his subject, and we heartily recommend all employing steam power to possess themselves of the work."—Ryland's Iron Trade Circular.

Boiler Chimneys.

BOILER AND FACTORY CHIMNEYS: Their Draught-Power and Stability. With a Chapter on Lightning Conductors. By Robert Wilson, A.I.C.E., Author of "A Treatise on Steam Boilers," &c. Second Edition. Crown 8vo, 3s. 6d. cloth.

"A valuable contribution to the literature of scientific building."—The Builder.

Boiler Making.

THE BOILER-MAKER'S READY RECKONER & ASSISTANT. With Examples of Practical Geometry and Templating, for the Use of Platers, Smiths and Riveters. By John Courtney, Edited by D. K. Clark, M.I.C.E. Third Edition, 480 pp., with 140 Illusts. Fcap. 8vo, 7s. half-bound.

"No workman or apprentice should be without this book."—Iron Trade Circular.

Locomotive Engine Development.

THE LOCOMOTIVE ENGINE AND ITS DEVELOPMENT. A Popular Treatise on the Gradual Improvements made in Railway Engines between 1803 and 1893. By Clement E. Stretton, C.E., Author of "Safe Railway Working," &c. Second Edition, Revised and much Enlarged. With 95 Illustrations. Crown 8vo, 3s. 6d. cloth.