Report of the Commission appointed to propose Measures for Remedying the Pollution of the Seine; with a Description of the Works in course of execution for the Sewerage of Berlin, and the Application of Sewage to Irrigation at Marienfelder and Falkenburg. Translated from the French by Robert Manning, M. Inst. C.E., Chief Engineer to Her Majesty's Board of Public Works in Ireland, 8vo, sewed 2 0 =Sewage.= A Handbook of Sewage Utilization, by Ulick Ralph Burke, Esq., Barrister-at-Law, crown 8vo, cloth 3 6 This work treats: I. Of the evils of the present System of Sewage Treatment, the Pollution of Water, and the Waste of Manure. II. Remedies, Privy, and Ash-pit; Eureka System; Milan, Goul, and Moule's Systems. III. Treatment of Sewage by Chemical means; Experiments with Lime; Lime and Chloride of Iron; Sulphate of Ammonia; Holden's Process; Sulphate of Alumina; Persalts of Iron; Blyth, Lenk, Phospate, A.B.C., Scott, and Hille Processes; Filtration. IV. Irrigation. With an APPENDIX, including the Law relating to Sewage Utilization. =Sewage.= The Sewage Question on the Treatment and Utilization of Sewage, the Preparation of Land for Irrigation, and for Intermittent Downward Filtration, by J. Bailey Denton, Mem. Inst. C.E., F.G.S., 8vo, sewed 2 0 =Silver Mines.= Vazeeri Rupi, the Silver Country of the Vazeers, in Kulu: its Beauties, Antiquities, and Silver Mines, including a Trip over the lower Himalayah Range and Glaciers, by J. Calvert, F.G.S., Mem. Inst. C.E., _illustrated with a map and coloured plates_, 8vo, cloth 16 0 =Slide Valve.= The Slide Valve practically considered, by N. P. Burgh, Engineer, seventh edition, _containing 88 illustrations and 121 pages of letterpress_, crown 8vo, cloth 5 0 =Slide Valve. Designing Valve Gearing.= A Treatise on a Practical Method of Designing Slide Valve Gearing, by Simple Geometrical Construction, based upon the principles enunciated in Euclid's Elements, and comprising the various forms of Plain Slide Valve and Expansion Gearing; together with Stephenson's, Gooch's, and Allan's Link-Motions, as applied either to reversing or to variable expansion combinations, by Edward J. Cowling Welch, Memb. Inst. Mechanical Engineers, crown 8vo, cloth 6 0 The system described in this work enables any draughtsmen or foreman to "get out" in a _few minutes_, and with the greatest precision, all the details of a Slide Valve Gear, without recourse to models or other similar appliances. =Steam Boilers.= Practical Treatise on Steam Boilers and Boiler-making, by N. P. Burgh, Mem. Inst. Mec. Eng., _illustrated by 1163 wood engravings and 50 large folding plates of working drawings_, royal 4to, half-morocco £3 13 6 =Steam Engine.=