books.google.comhttp://books.google.com/books/about/Elements_of_geometry_containing_the_firs.html?id=-kVc3X3C9iYC&q=demonstrated&utm_source=gb-gplus-shareElements of geometry; containing the first six books of Euclid, with two books on the geometry of solids. To which are added, Elements of plane and spherical trigonometry. By J. Playfair. With a suppl. on the quadrature of the circle and the geometry of solids

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## Elements of geometry; containing the first six books of Euclid, with two ...By Euclides |