_Tables of the Principal Speeds occurring in Mechanical Engineering_, expressed in metres in a second. By P. KEERAYEFF, Chief Mechanic of the Obouchoff Steel Works, St. Petersburg; translated by SERGIUS KERN, M.E. Fcap. 8vo, sewed, 6_d._
_A Treatise on the Origin, Progress, Prevention, and Cure of Dry Rot in Timber_; with Remarks on the Means of Preserving Wood from Destruction by Sea-Worms, Beetles, Ants, etc. By THOMAS ALLEN BRITTON, late Surveyor to the Metropolitan Board of Works, etc., etc. _With 10 plates_, crown 8vo, cloth, 7_s._ 6_d._
_Metrical Tables._ By G. L. MOLESWORTH, M.I.C.E. 32mo, cloth, 1_s._ 6_d._
General—Linear Measures—Square Measures—Cubic Measures—Measures of Capacity—Weights—Combinations—Thermometers.
_Elements of Construction for Electro-Magnets._ By Count TH. DU MONCEL, Mem. de l’Institut de France. Translated from the French by C. J. WHARTON. Crown 8vo, cloth, 4_s._ 6_d._
_Electro-Telegraphy._ By FREDERICK S. BEECHEY, Telegraph Engineer. A Book for Beginners. _Illustrated._ Fcap. 8vo, sewed, 6_d._
_Handrailing: by the Square Cut._ By JOHN JONES, Staircase Builder. Part Second, _with eight plates_, 8vo, cloth, 3_s._ 6_d._
_Practical Electrical Units Popularly Explained_, with _numerous illustrations_ and Remarks. By JAMES SWINBURNE, late of J. W. Swan and Co., Paris, late of Brush-Swan Electric Light Company, U.S.A. 18mo, cloth, 1_s._ 6_d._
_Philipp Reis, Inventor of the Telephone_: A Biographical Sketch. With Documentary Testimony, Translations of the Original Papers of the Inventor, &c. By SILVANUS P. THOMPSON, B.A., Dr. Sc., Professor of Experimental Physics in University College, Bristol. _With illustrations_, 8vo, cloth, 7_s._ 6_d._
_A Treatise on the Use of Belting for the Transmission of Power._ By J. H. COOPER. Second edition, _illustrated_, 8vo, cloth, 15_s._
_Hints on Architectural Draughtsmanship._ By G. W. TUXFORD HALLATT. Fcap. 8vo, cloth, 1_s._ 6_d._
_A Pocket-Book of Useful Formulæ and Memoranda for Civil and Mechanical Engineers._ By GUILFORD L. MOLESWORTH, Mem. Inst. C.E., Consulting Engineer to the Government of India for State Railways. _With numerous illustrations_, 744 pp. Twenty-first edition, revised and enlarged, 32mo, roan, 6_s._