Godfray — continued.
advanced pupils in many of our schools. The author's aim has been to convey clear and distinct ideas of the celestial phenomena, “It is a working book,” says the Guardian, “taking Astronomy in its proper place in mathematical sciences. . . . It is a book which is not likely to be got up unintelligently.”
with a Brief Sketch of the Problem up to the time of Newton.
Second Edition, revised. Crown 8vo. cloth. 5s. 6d.These pages will, it is hoped, form an introduction to more recondite works. Difficulties have been discussed at considerable length. The selection of the method followed with regard to analytical solutions, which is the same as that of Airy, Herschel, &c. was made on account of its simplicity; it is, moreover, the method which has obtained in the University of Cambridge. “As an elementary treatise and introduction to the subject, we think it may justly claim to supersede all former ones.” — London, Edin. and Dublin Phil. Magazine.
DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use of Colleges and Schools. By G. W. Hemming, M.A., Fellow of St. John's College, Cambridge. Second Edition, with
Corrections and Additions. 8vo. cloth. 2s.“There is no book in common use from which so clear and exact a knowledge of the principles of the Calculus can be so readily obtained.” — Literary Gazette.
Treatise in which the Conic Sections are defined as the Plane Sections of a Cone, and treated by the Method of Projection. By J. Stuart Jackson, M.A., late Fellow of Gonville and Caius
College, Cambridge. 4s. 6d.This work has been written with a view to give the student the benefit of the Method of Projections as applied to the Ellipse and Hyperbola, When this Method is admitted into the treatment of the Conic Sections, there are many reasons why they should be defined, not with reference to the focus and direction, but according to the original definition from which
