QUADRATURE OF THE CIRCLE AND THE GEOMETRY TO WHICH ARE ADDED, ELEMENTS OF PLANE AND SPHERICAL TRIGONOMETRY. BY JOHN PLAYFAIR, F. R. S. LOND. & EDIN. FÍRST PHILADELPHIA, FROM THE LAST LONDON EDITION, ENLARGED PHILADELPHIA: Printed at No. 24, Arch-street.-A. Walker, Agt, 1826. |