IN this book the student is assumed to have an elementary knowledge of mensuration, and to know, also, something of elementary trigonometry as far as the solution of triangles; in fact, it is intended chiefly for senior students. In its arrangement, volumes, surfaces, and solids are first dealt with; then follow chapters on spherical lunes. triangles, polygons, regular polyhedra, and plane figures. An interesting chapter is given on the mensuration of such earthworks as would be required in excavating cuttings for roads or railways, and in the construction of embankments. Chapter viii. is confined chiefly to the use of logarithms in solving triangles, while the following one is devoted to the relationship between British and metric measures. A short survey shows that the book should prove serviceable to those readers who wish to acquire a sound knowledge of the theoretical side of this subject. It may be mentioned that in the determination of volumes of solids the formulæ are, for the most part, all based on Simpson's rule. A great number of both numerical and algebraical examples are scattered throughout, and very neat and instructive figures are inserted in the text.

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DOI

https://doi.org/10.1038/054620b0

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