BALE.—A HAND-BOOK FOR STEAM USERS; being Rules for Engine Drivers and Boiler Attendants, with Notes on Steam Engine and Boiler Management and Steam Boiler Explosions. By M. Powis Bale, M.I.M.E., A.M.I.C.E. Fcp. 8vo., 2s. 6d.

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. With 228 Illustrations. 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.

SENNETT and ORAM.—THE MARINE STEAM ENGINE: A Treatise for Engineering Students, Young Engineers and Officers of the Royal Navy and Mercantile Marine. By the late Richard Sennett, Engineer-in-Chief of the Navy, etc.; and Henry J. Oram, Senior Engineer Inspector at the Admiralty, Inspector of Machinery in H.M. Fleet, etc. With 414 Diagrams. 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.