BY WHICH THEON, OR OTHERS, HAVE LONG AGO VITIATED THESE BOOKS, ARE CORRECTED, AND SOME OF EUCLID'S DEMONSTRATIONS ARE RESTORED. ALSO, THE BOOK OF EUCLID'S DATA, IN LIKE MANNER CORRECTED. BY ROBERT SIMSON, M. D. EMIRITUS PROFESSOR OF MATHEMATICS IN THE UNIVERSITY OF GLASGOW. TO THIS EDITION ARE ALSO ANNEXED, ELEMENTS OF PLANE AND SPHERICAL TRIGONOMETRY. PHILADELPHIA: PUBLISHED BY THOMAS DESILVER JR., No. 247, MARKET STREET, AND ROBERT DESILVER, No. 110, WALNUT STREET. LYDIA R. BAILEY, PRINTER. |