GEOMETRY AND EUCLID— Continued. HAMILTON.—ELEMENTS OF QUATERNIONS. By the late Sir William Rowan Hamilton, LL.D., M.R.I.A. Edited by Charles Jasper Joly, M.A., Fellow of Trinity College, Dublin. 2 vols. 4to. 2u. net each. HIME.—THE OUTLINES OF QUATERNIONS. By Lieut. Colonel H. W. L. Hime, late Royal Artillery. Crown 8vo., iew. LOW.—TEXT-BOOK ON PRACTICAL, SOLID, AND DESCRIPTIVE GEOMETRY. By David Allan Low, Professor of Engineering, East London Technical College. Crown 8vo. Part I. With 114 Figures, 2s. MORRIS.—Works by I. HAMMOND MORRIS. Graphic Arithmetic fully Illustrated with Drawings prepared specially by the GEOMETRICAL DRAWING FOR ART STUDENTS. Embracing Plane Geometry and its Applications, the Use of Scales, and the SMITH.—ELEMENTS OF GEOMETRY. By J. Hamblin Smith, M.A. Containing Books 1 to 6, and portions of Books n and 12, of Euclid, with Exercises and Notes. Crown 8vo., y. 6d. Key, crown 8vo., 8s. 6d. Books 1 and 2, limp cloth, 1s. 6d., may be had separately. SPOONER.—THE ELEMENTS OF GEOMETRICAL DRAWING: an Elementary Text-book on Practical Plane Geometry, including an Introduction to Solid Geometry. Written to include the requirements of the Syllabus of the Board of Education in Geometrical Drawing and for the use of Students preparing for the Military Entrance Examinations. By Henry J. Spooner, C.E., M.Inst.M.E.; Director of the Polytechnic School of Engineering, etc. Crown 8vo., y. fid. WATSON.—ELEMENTS OF PLANE AND SOLID GEOMETRY. By H. W. Watson, M.A. Fcp. 8vo., 3J. 6d. WILSON—GEOMETRICAL DRAWING. For the use of Candidates for Army Examinations, and as an Introduction to Mechanical WINTER. — ELEMENTARY GEOMETRICAL DRAWING. By S. H. Winter. Scales, the Use of the Sector, the Marquois Scales, and the Protractor. TRIGONOMETRY. CASEY. — A TREATISE ON ELEMENTARY TRIGONOMETRY. By John Casey, LL.D., F. R. S., late Fellow of the Royal University of Ireland. With numerous Examples and Questions for Examination. i2mo, yCLARKE.—PLANE TRIGONOMETRY. Containing the more advanced Propositions, Solution of Problems and a complete Summary of For- GOODWIN.—Works by H. B. GOODWIN, M.A. Parts, comprising those portions of the subjects, theoretical and practical, ELEMENTARY PLANE TRIGONOMETRY. With numerous Examples and Examination Papers set at the Royal Naval College in recent years. With Answers. 8vo., $s. /ONES.—TW BEGINNINGS OF TRIGONOMETRY. By A. Clement Jones, M.A., Ph.D., late Open Scholar and Senior Hulme MURRA Y.—PLANE TRIGONOMETRY FOR COLLEGES AND SECONDARY SCHOOLS. By Daniel A. Murray, B.A., Ph.D., <MITH.—ELEMENTARY TRIGONOMETRY. By J. Hamblin Smith, M.A. Crown 8vo., 4s. 6d. Key, js. 6d. OPTICS, PHOTOGRAPHY, ETC. DE Wiveleslie Abney, K.C.B., F.R.S., Principal Assistant Secretary of the DRUDE.—THE THEORY OF OPTICS. By Paul Drude, Professor of Physics at the University of Giessen. Translated from the German by C. Riborg Mann and Robert A. Millikan, Assistant Professors of Physics at the University of Chicago. With no Diagrams. 8vo., 15J. net. GLAZEBROOK.—PHYSICAL OPTICS. By R. T. GlazeBrook, M.A., F.R.S., Principal of University College, Liverpool. With 183 Woodcuts of Apparatus, etc. F*cp. 8vo., 6s. VANDERPOEL.—COLOR PROBLEMS: a Practical Manual for the Lay Student of Color. By Emily Noyes Vandrrpoel. With 117 Plates in Color. Square 8vo., 21s. net. WRIGHT.—OPTICAL PROJECTION: a Treatise on the Use ".\. of the Lantern in Exhibition and Scientific Demonstration. By Lewis Wright, Author of 'Light: a Course of Experimental Optics'. With 232 Illustrations. SOUND, LIGHT, HEAT, AND THERMODYNAMICS. DEXTER.—ELEMENTARY PRACTICAL SOUND, LIGHT AND HEAT. By Joseph S. Dexter, B.sc. (Lond.), Physics Master, EMTAGE.—UGH.T. By W. T. A. Emtage, M.A., director of Education, Mauritius. With 232 Illustrations. Crown 8vo., 6s HELMHOLTZ.—ON THE SENSATIONS OF TONE AS A PHYSIOLOGICAL BASIS FOR THE THEORY OF MUSIC. By HerMann Von Helmholtz. Royal 8vo., 28s. MAXWELL.— THEORY OF HEAT. By J. Clerk Maxwell M.A., F.R.SS., L. and E. With Corrections and Additions by Lord RAY SMITH.—THE STUDY OF HEAT. By J. Hamblin Sm1th, M.A., of Gonville and Caius College, Cambridge. Crown 8vo., y. TYNDALL.— Works by JOHN TYNDALL, D.C.L., F.R.S. See p. 36. WORMELL.^K CLASS-BOOK OF THERMODYNAMICS. By Richard Wormell, B.Sc., M.A. Fcp. 8vo., is. 6d. WRIGHT.—Works by MARK R. WRIGHT, M.A. Illustrations. Crown 8vo., 2s. 6d. ADVANCED HEAT. With 136 Diagrams and numerous Examples and Examination Papers. Crown 8vo., 4s. 6d. STEAM, OIL, AND GAS ENGINES. 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, Member of the Institution of Civil Engineers, Fellow of the Chemical STEAM, OIL, AND CAS ENGINES-rv,«//«/«v/. HOLMES.—THE STEAM ENGINE. By George C. V. Holmes, Chairman of the Board of Works, Ireland. With 212 Illustrations. NEILSON.— THE STEAM TURBINE. By Robert M. Nkilson, Whitworth Exhibitioner, Associate Member of the Institute of NOIWIS.—A PRACTICAL TREATISE ON THE 'OTTO' CYCLE GAS ENGINE. By WIllIAm NoRRIS, M.I.Mech.E. With 2o7 RIPPER.— Works by WILLIAM RIPPER, Professor of Engineer- Illustrations. 8vo., Oj. SENNETTAnd ORAM.—THE MARINE STEAM ENGINE: A Treatise for Engineering Students, Young Engineers and Officers of the STROME YER.—MARINE BOILER MANAGEMENT AND CONSTRUCTION. Being a Treatise on Boiler Troubles and Repairs, ARCHITECTURE, BUILDING CONSTRUCTION, ETC. ADVANCED BUILDING CONSTRUCTION. By the Author of 'Rivingtons' Notes on Building Construction'. With 385 Illustrations. Crown 8vo., 4s. 6d. BURRELL.—BUILDING CONSTRUCTION. By Edward J. Burrell, Second Master of the People's Palace Technical School, London. G WILT.—AN ENCYCLOPAEDIA OF ARCHITECTURE. By Joseph Gwilt, F.S.A. Revised (1888), with Alterations and Considerable PARKER And UNWIN.—TYIK ART OF BUILDING A HOME: A Collection of Lectures and Illustrations. By Barry Parker and RICHARDS.—BRICKLAYING AND BRICKCUTTING. By H. W. Richards, Examiner in Brickwork and Masonry to the City and Guilds of London Institute, Head of Building Trades Department, Northern Polytechnic Institute, London, N. With over 2oo Illustrations. 8vo., 31. (/d. ARCHITECTURE, BUILDING CONSTRUCTION, ETC.-Continued. SEDDON.—BUILDER'S WORK AND THE BUILDING TRADES. By Col. H. C. Seddon, R.E., late Superintending Engineer, VALDER.—BOOK OF TABLES, giving the Cubic Contents of from One to Thirty Pieces Deals, Battens and Scantlings of the Sizes usually imported or used in the Building Trades, together with an Appendix showing a large number of sizes, the Contents of which may be found by referring to the aforesaid Tables. By Thomas Valder. Oblong 4to., 6s. net. RIVINCTONS' COURSE OF BUILDING CONSTRUCTION. NOTES ON BUILDING CONSTRUCTION. Arranged to meet the requirements of the syllabus of the Board of Education. Medium 8vo. Part I. Elementary Stage. With 552 Illustrations, gs. net. Part II. Advanced Stage. With 479 Illustrations, gs. net. Part III. Materials. Course for Honours. With 188 Illustrations, 18s. net. Part IV. Calculations for Building Structures. Course for Honours. With 551 Illustrations, 13J. net. ELECTRICITY AND MAGNETISM. ARRHENIUS.—K TEXT-BOOK OF ELECTROCHEMISTRY. By SVAnTE Arrhenius, Professor at the University of Stockholm. Translated from the German Edition by John Mccrae, Ph.D. With 58 Illustrations. 8vo., gs. 6d. net. CARUS-WILSON.—ELECTRO-DYNAMICS: the DirectCurrent Motor. By Charles Ashley Carus-wilson, M.A. Cantab. With 71 Diagrams, and a Series of Problems, with Answers. Crown 8vo., js. 6d. CUMMING.—ELECTRICITY TREATED EXPERIMENTALLY. By Linn/eus Cumming, M.A. With 242 Illustrations. Cr. 8vo.,4J.6d. DA K—EXERCISES IN ELECTRICAL AND MAGNETIC MEASUREMENTS, with Answers. By R. E. Day. 12mo., y. 6d. FITZGERALD.— THE SCIENTIFIC WRITINGS OF THE LATE GEORGE FRANCIS FITZGERALD, Sc.D., F.R.S., F.R.S.E., GORE.—THE ART OF ELECTRO-METALLURGY, including all known Processes of Electro-Deposition. By G. GORe, LL.D., F.R.S. With 56 Illustrations. Fcp. 8vo., 6s. HENDERSON.—WorksbyJOHNHENDERSON,D.Sc.,F.R.S.E. PRACTICAL ELECTRICITY AND MAGNETISM. With 159 Illustrations and Diagrams. Crown 8vo., 6s. 6d. PRELIMINARY PRACTICAL MAGNETISM AND ELECTRICITY. Crown 8vo„ 1s. |