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MATHEMATICS.
29

Parkinsoncontinued.

AN ELEMENTARY TREATISE ON MECHANICS. For the

Use of the Junior Classes at the University and the Higher Classes in Schools. With a Collection of Examples. Fourth edition, revised.

Crown 8vo, cloth. 9s. 6d.

In preparing this work the author's object has been to include in it such portions of Theoretical Mechanics as can be conveniently investigated without the use of the Differential Calculus, and so render it suitable as a manual for the junior classes in the University and the higher classes in Schools, With one or two short exceptions, the student is not presumed to require a knowledge of any branches of Mathematics beyond the elements of Algebra, Geometry, and Trigonometry. Several additional propositions have been incorporated in the work for the purpose of rendering it more complete; and the collection of Examples and Problems has been largely increased.

A TREATISE ON OPTICS. Third Edition, revised and enlarged. Crown 8vo. cloth. 10s. 6d.

A collection of examples and problems has been appended to this work, which are sufficiently numerous and varied in character to afford useful exercise for the student. For the greater part of them, recourse has been had to the Examination Papers set in the University and the several Colleges during the last twenty years.

Phear. — ELEMENTARY HYDROSTATICS. With Numerous

Examples. By J. B. Phear, M.A., Fellow and late Assistant Tutor of Clare College, Cambridge. Fourth Edition, Crown

8vo. cloth. 5s. 6d.

This edition has been carefully revised throughout, and many new illustrations and examples added, which it is hoped will increase its usefulness to students at the Universities and in Schools. In accordance with suggestions from many engaged in tuition, answers to all the Examples have been given at the end of the book.

Pratt. — A TREATISE ON ATTRACTIONS, LAPLACE'S

FUNCTIONS, AND THE FIGURE OF THE EARTH. By John H. Pratt, M.A., Archdeacon of Calcutta, Author of “The Mathematical Principles of Mechanical Philosophy.” Fourth

Edition. Crown 8vo. cloth. 6s. 6d.