1To Thomas Jefferson from F. Nichols, 3 September 1806 (Jefferson Papers)
I desire you to accept a copy of Playfair’s Geometry, which I reprinted last winter. The corrections of grammatical inaccuracies, &c. mentioned in the Advertisement, occur after Book I. There are few corrections in Book I. The book is pretty correctly printed. The principal typographical errors appear at the end of the volume. Some improvements will be made in another edition, if indeed...