MECÁNICA PRÁCTICA; una introducción elemental a su estudio.

Con 855 ejercicios y 184 figuras y diagramas. 8.º en cuarto, 10s. 6d.

MECÁNICA TEÓRICA. Con 172 ejemplos, numerosos ejercicios y 154 diagramas. 8.º en cuarto, 8s. 6d.

WILLIAMSON.—INTRODUCTION TO THE MATHEMATICAL THEORY OF THE STRESS AND STRAIN OF ELASTIC SOLIDS. By Benjamin Williamson, D.Sc., F.R.S. Crown 8vo., 5s.

WILLIAMSON Y TARLETON.—AN ELEMENTARY TREATISE ON DYNAMICS. Containing Applications to Thermodynamics, with numerous Examples. By Benjamin Williamson, D.Sc., F.R.S., and Francis A. Tarleton, LL.D. Crown 8vo., 10s. 6d.

• WORTHINGTON.—DYNAMICS OF ROTATION: an Elementary introduction to Rigid Dynamics. By A. M. Worthington, M.A., F.R.S. Crown 8vo., 4s. 6d.

ÓPTICA Y FOTOGRAFÍA.

ABNEY.—A TREATISE ON PHOTOGRAPHY. By Captain W. de Wiveleslie Abney, F.R.S., Director for Science in the Science and Art Department. With 115 Woodcuts. Fcp. 8vo., 3s. 6d.

GLAZEBROOK.—PHYSICAL OPTICS. By R. T. Glazebrook, M.A., F.R.S., Fellow and Lecturer of Trinity College, Demonstrator of Physics at the Cavendish Laboratory, Cambridge. With 183 Woodcuts of Apparatus, etc. Fcp. 8vo., 6s.

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. Crown 8vo., 6s.

SONIDO, LUZ, CALOR Y TERMODINÁMICA.

CUMMING.—HEAT TREATED EXPERIMENTALLY. By Linnæus Cumming, M.A. With 192 Illustrations. Crown 8vo., 4s. 6d.

DAY.—NUMERICAL EXAMPLES IN HEAT. Por R. E. Day, M.A. Fcp. 8vo., 3s. 6d.

EMTAGE.—LIGHT. By W. T. A. Emtage, M.A. 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.