Scientific Works published by Longmans, Green^ 6> Co. 15 STEAM, OIL, AND GAS ENGINES, AND MOTORS. BALE.-& 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., zs. 6d. CLERK. THE GAS AND OIL ENGINE. By DUGALD CLERK, 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 Illus- trations. 8vo., 155. DIPLOCK.K NEW SYSTEM OF HEAVY GOODS TRANSPORT ON COMMON ROADS. By BRAMAH JOSEPH DIPLOCK. With 27 Illustrations and Diagrams. Medium 8vo. , 6s. 6d. net. FLETCHER. ENGLISH AND AMERICAN STEAM CARRIAGES AND TRACTION ENGINES. By WILLIAM FLETCHER, M.Inst.Mech.E. With 250 Illustrations. 8vo., 15^. net. HOLMES. THE STEAM ENGINE. By GEORGE C. V. HOLMES, C.B., Chairman of the Board of Works, Dublin. With 212 Illustrations. Fcp. 8vo., 6s. LOW. THE DIAGRAM MEASURER. An Instrument for measur- ing the Areas of Irregular Figures and specially useful for determining the Mean Effective Pressure from Indicator Diagrams from Steam, Gas and other Engines. Designed by D. A. Low, Professor of Engineering, East London Technical College, London. With Full Instructions for Use. is. net. NEILSON. THE STEAM TURBINE. By ROBERT M. NEILSON, Associate Member of the Institute of Mechanical Engineers, etc. With 28 Plates and 212 Illustrations in the Text. 8vo., T.OS. 6d. net. MORRIS. PRACTICAL TREATISE ON THE ' OTTO ' CYCLE GAS ENGINE. By WILLIAM NORRIS, M.I. Mech.E. With 207 Illustrations. 8vo.. ioj. 6d. PARSONS. STEAM BOILERS : THEIR THEORY AND DESIGN. By H. DE B. PARSONS, B.S., M.E., Consulting Engineer; Member of the American Society of Mechanical Engineers, American Society of Civil Engineers, etc. ; Professor of Steam Engineering, Rensselaer Polytechnic Institute. W r ith 170 Illustrations. 8vo., los. 6d. net. RIPPER. Works by WILLIAM RIPPER, Professor of Engineering in the Technical Department of University College, Sheffield. STEAM. With 185 Illustrations. Crown 8vo., 2S. 6d. STEAM ENGINE THEORY AND PRACTICE. With 441 Illus- trations. 8vo. , gs. SENNETT AND ORA M. 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, Deputy Engineer-in-Chief at the Admiralty, Engineer Rear Admiral in H.M. Fleet, etc. With 414 Diagrams. 8vo., 2is. STR OMEYER. MARINE BOILER MANAGEMENT AND CON- STRUCTION. Being a Treatise on Boiler Troubles and Repairs, Corrosion, Fuels, and Heat, on the properties of Iron and Steel, on Boiler Mechanics, Work- shop Practices, and Boiler Design. By C. E. STROMEYER, Chief Engineer of the Manchester Steam Users' Association, Member of Council of the Institution of Naval Architects, etc. With 452 Diagrams, etc. 8vo. , iss. net. WHITE. PETROL MOTORS AND MOTOR CARS: A Hand- book for Engineers, Designers and Draughtsmen. By T. HYLER WHITE, A.M.I.M.E. With 44 Illustrations. Crown 8vo., 4.?. 6d. net.