HUNTINGTON AND M'MILLAN.—METALS: their Properties and Treatment. By A. K. Huntington, Professor of Metallurgy in King's College, London, and W. G. M'Millan, Lecturer on Metallurgy in Mason's College, Birmingham. With 122 Illustrations. Fcp. 8vo., 7s. 6d.
RHEAD.—METALLURGY. An Elementary Text Book. By E. C. Rhead, Lecturer on Metallurgy at the Municipal Technical School, Manchester. With 94 Illustrations. Fcp. 8vo., 3s. 6d.
RUTLEY.—THE STUDY OF ROCKS: an Elementary Text-book of Petrology. By F. Rutley, F.G.S. With 6 Plates and 88 Woodcuts. Fcp. 8vo., 4s. 6d.
ASTRONOMY, NAVIGATION, ETC.
ABBOTT.—ELEMENTARY THEORY OF THE TIDES: 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., 2s.
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., 1s. 6d.
CLERKE.—THE SYSTEM OF THE STARS. By Agnes M. Clerke. With 6 Plates, and numerous Illustrations. 8vo., 21s.
GOODWIN.—AZIMUTH TABLES FOR THE HIGHER DECLINATIONS. (Limits of Declination 24° to 30°, both inclusive.) Between the Parallels of Latitude 0° and 60°. With Examples of the Use of the Tables in English and French. By H. B. Goodwin, Naval