Among the ancients, the study of the conic sections wa3 a subject of pure intellectual speculation. ... perties ; many of them preferring that of the ancient geometers, while others, and some of great note, have followed the example of Dr Wallis.
|Title||:||Encyclopædia Britannica: or, A dictionary of arts and sciences, compiled by a society of gentlemen in Scotland [ed. by W. Smellie]. Suppl. to the 3rd. ed., by G. Gleig|