'De Hyperbola'; 'I apprehend for the future it will be more proper to call what is commonly called the Doctrine of Conic Sections, the Doctrine of Curves of the first Order.', and other sections on mathematical topics. 'De Hyperbola' [undated]; 'I apprehend for the future it will be more proper to call what is commonly called the Doctrine of Conic Sections, the Doctrine of Curves of the first Order.', and other sections on mathematical topics. October 1758. 15 pp. [MS.2131.2 (40)] October 1758