ELEMENTS OF GEOMETRY: CONTAINING THE FIRST SIX BOOKS OF EUCLID, WITH A SUPPLEMENT ON THE QUADRATURE OF THE CIRCLE, AND THE TO WHICH ARE ADDED, ELEMENTS OF PLANE AND SPHERICALE BY JOHN PLAYFAIR, F.R.S. LOND. & EDIN, PROFESSOR OF NATURAL PHILOSOPHY, FORMERLY OF MATHEMATICS, IN THE FROM THE LAST LONDON Edition, enlarged.. AD PHILADELPHIA: J. B. LIPPINCOTT & CO. 1866. |