According to Act of Congress, in the year 1839, BY CHARLES DAVIES, In the Clerk's Office of the District Court of Connecticut. C. SHERMAN, printer, PHILADELPHIA. DAVIES? COURSE OF MATHEMATICS. DAVIES' FIRST LESSONS IN ARITHMETIC,—For beginners. DAVIES' ARITHMETIC-Designed for the use of academies and schools. KEY TO DAVIES' ARITHMETIC. DAVIES' ELEMENTARY ALGEBRA ;--Being an introduction to the Science, and forming a connecting link between ARITHMETIC and AL GEBRA. KEY TO DAVIES' ELEMENTARY ALGEBRA. DAVIES' ELEMENTARY GEOMETRY.-This work embraces the elementary principles of Geometry. The reasoning is plain and concise, but at the same time strictly rigorous. DAVIES' PRACTICAL GEOMETRY,-Embracing the facts of Geometry, with applications in ARTIFICER'S WORK, MENSURATION and MECHANICAL PHILOSOPHY. DAVIES' BOURDON'S ALGEBRA,-Being an abridgment of the work a DAVIES' SURVEYING,—With a description and plates of, the THEODOLITE, COMPASS, PLANE-TABLE, and LEVEL-also, Maps of the ToroGRAPHICAL SIGNS adopted by the Engineer Department—an explanation of the method of surveying the Public Lands, and an Elementary Treatise on NAVIGATION. DAVIES' ANALYTICAL GEOMETRY,-Embracing the EQUATIONS OF THE POINT AND STRAIGHT LINE-of the CONIC SECTIONS-of the LINE AND PLANE IN SPACE—also, the discussion of the GENERAL EQUATION of the second degree, and of SURFACES of the second order. DAVIES' DESCRIPTIVE GEOMETRY,-With its application to SPHERICAL PROJECTIONS. DAVIES' SHADOWS AND LINEAR PERSPECTIVE, DAVIES' DIFFERENTIAL AND INTEGRAL CALCULUS. |