“Will remain, for some time yet a Standard Work in everything relating to Light Railways.”--_Engineer._ “The whole subject is EXHAUSTIVELY and PRACTICALLY considered. The work can be cordially recommended as INDISPENSABLE to those whose duty it is to become acquainted with one of the prime necessities of the immediate future.”--_Railway Official Gazette._ * * * * * LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET, STRAND. * * * * * Fourth Edition, Thoroughly Revised and Greatly Enlarged. _With Numerous Illustrations. Price 10s. 6d_. VALVES AND VALVE-GEARING: A PRACTICAL TEXT-BOOK FOR THE USE OF ENGINEERS, DRAUGHTSMEN, AND STUDENTS. By CHARLES HURST, Practical Draughtsman. PART I.--Steam Engine Valves. PART II.--Gas Engine Valves and Gears. PART III.--Air Compressor Valves and Gearing. PART IV.--Pump Valves. “Mr. Hurst’s VALVES and VALVE-GEARING will prove a very valuable aid, and tend to the production of Engines of SCIENTIFIC DESIGN and ECONOMICAL working.... Will be largely sought after by Students and Designers.”--_Marine Engineer_. “Almost EVERY TYPE of VALVE and its gearing is clearly set forth, and illustrated in such a way as to be READILY UNDERSTOOD and PRACTICALLY APPLIED by either the Engineer, Draughtsman, or Student.... Should prove both USEFUL and VALUABLE to all Engineers seeking for RELIABLE and CLEAR Information on the subject. Its moderate price brings it within the reach of all.”--_Industries and Iron_. * * * * * =HINTS ON STEAM ENGINE DESIGN AND CONSTRUCTION.= By CHARLES HURST, “Author of Valves and Valve Gearing.” SECOND EDITION, Revised. In Paper Boards, 8vo., Cloth Back. Illustrated. Price 1s. 6d. net. Contents.--I. Steam Pipes.--II. Valves.--III. Cylinders.--IV. Pumps and Condensers.--V. Motion Work.--VI. Crank Shafts and Air Pedestals.--VII. Valve Gear.--VIII. Lubrication.--IX. Miscellaneous Details.--Index. “A handy volume which every practical young engineer should possess.” --_The Model Engineer_. * * * * * Strongly Bound in Super Royal 8vo. Cloth Boards. 7s. 6d. net. BONUS TABLES: For Calculating Wages on the Bonus Or Premium Systems. _For Engineering, Technical and Allied Trades._ By HENRY A. GOLDING, A.M.Inst.M.E., Technical Assistant to Messrs. Bryan Donkin and Clench, Ltd., and Assistant Lecturer in Mechanical Engineering at the Northampton Institute, London, E.C.