CLERK.—THE GAS AND OIL ENGINE. By Dugald Clerk, Associate Member of the Institution of Civil Engineers, Fellow of the Chemical Society, Member of the Royal Institution, Fellow of the Institute of Patent Agents. 8vo., 15s.

HOLMES.—THE STEAM ENGINE. By George C. V. Holmes, Whitworth Scholar, Secretary of the Institution of Naval Architects. With 212 Woodcuts. Fcp. 8vo., 6s.

NORRIS.—A PRACTICAL TREATISE ON THE ‘OTTO’ CYCLE GAS ENGINE. By William Norris, M.I.Mech.E. With 207 Illustrations. 8vo., 10s. 6d.

RIPPER.—Works by WILLIAM RIPPER, Professor of Mechanical Engineering in the Sheffield Technical School.

STEAM. With 142 Illustrations. Crown 8vo, 2s. 6d.

STEAM ENGINEERING. [In the press.

SENNETT.—THE MARINE STEAM ENGINE. A Treatise for the Use of Engineering Students and Officers of the Royal Navy. By Richard Sennett, R.N., late Engineer-in-Chief of the Royal Navy. With 261 Illustrations. 8vo., 21s.

STROMEYER.—MARINE BOILER MANAGEMENT AND CONSTRUCTION. Being a Treatise on Boiler Troubles and Repairs, Corrosion, Fuels, and Heat, on the properties of Iron and Steel, on Boiler Mechanics, Workshop Practices, and Boiler Design. By C. E. Stromeyer, Member of the Institute of Naval Architects, etc. 8vo., 18s. net.

BUILDING CONSTRUCTION.