20 Scientific Works published by Longmans, Green, &> Co. 



MINERALOGY, MINING, METALLURGY, ETC. 



BAUERMAN.\Nw\i<s> by HILARY BAUERMAN, F.G.S. 



SYSTEMATIC MINERALOGY. With 373 Illustrations. Fcp. 



8vo., 6s. 



DESCRIPTIVE MINERALOGY. With 236 Illustrations. Fcp. 



8vo., 6j. 



BREARLEY AND IBBOTSON. THE ANALYSIS OF STEEL- 

 WORKS MATERIALS. By HARRY BREARLEY and FRED IBBOTSON, B.Sc. (Lond.). 

 Demonstrator of Micrographic Analysis, University College, Sheffield. With 85 Illus- 

 trations. 8vo., 145. net. 



GO.TKE ART OF ELECTRO-METALLURGY. By G. GORE, 



LL.D., F.R.S. With 56 Illustrations. Fcp. 8vo.. 6s. 



HOSKOLD. ENGINEER'S VALUING ASSISTANT : being a prac- 

 tical Treatise on the Valuation of Collieries and Other Mines, etc. By H. D. HOSKOLU. 

 With an Introductory Note by the late PETER GRAY. 8vo., y.y. 6d. net. 



HUNTINGTON AND MCMILLAN. -METALS: their Properties and 

 Treatment. By A. K. HUNTINGTON, Professor of Metallurgy in King's College, 

 London, and W. G. M'MiLLAN, late Lecturer on Metallurgy in Mason's College, 

 Birmingham. With 122 Illustrations. Fcp. 8vo., ys. 6d. 



LUPTON. Works by ARNOLD LUPTON, M.I.C.E., F.G.S., etc. 

 MINING. An Elementary Treatise on the Getting of Minerals. With 

 a Geological Map of the British Isles, and 596 Diagrams and Illustrations. Crown 

 8vo., 9_y. net. 



A PRACTICAL TREATISE ON MINE SURVEYING. With 



209 Illustrations. 8vo., izs. net. 



MACFARLANE. LABORATORY NOTES ON PRACTICAL 



METALLURGY: being a Graduated Series of Exercises. Arranged by WALTER 

 MACFARLANE, F.I.C. Crown 8vo., zs. 6d. 



RHEAD. METALLURGY. By E. L. RHEAD, Lecturer on Metal- 

 lurgy at the Municipal Technical School, Manchester. With 94 Illustrations. Fcp. 

 8vo., 3-r. 6d. 



RHEAD AND SEXTON. ASSAYING AND METALLURGICAL 



ANALYSIS for the use of Students, Chemists and Assayers. By E. L. RHEAD, Lecturer 

 on Metallurgy, Municipal School of Technology, Manchester ; and A. HUMBOLDT 

 SEXTON, F.I.C., F.C.S., Professor of Metallurgy, Glasgow and West of Scotland 

 Technical College. 8vo., los. 6d. net. 



RUTLEY. THE STUDY OF ROCKS: an Elementary Text-book of 

 Petrology. By F. RUTLEY, F.G.S. With 6 Plates and 88 other Illustrations Fcp. 

 8vo., 4J. 6d. 



ASTRONOMY, NAVIGATION, ETC. 



ABBOTT. ELEMENTARY THEORY OF THE TIDES: the 



the Fundamental Theorems Demonstrated without Mathematics and the Influence on 

 the Length of the Day Discussed. By T. K. ABBOTT, B.D., Fellow and Tutor, Trinity 

 College, Dublin. Crown 8vo. , zs. 



BALL. Works by Sir ROBERT S. BALL, LL.D., F.R.S. 



ELEMENTS OF ASTRONOMY. With 130 Figures and Diagrams. 



Fcp. 8vo. , 6s. 6d. 



A CLASS-BOOK OF ASTRONOMY. With 41 Diagrams. Fcp. 



8vo. f is. 6d. 



