166. Extension of the theory of poles and polars to space
167. Desargues’s method of describing a conic
168. Reception of Desargues’s work
169. Conservatism in Desargues’s time
170. Desargues’s style of writing
171. Lack of appreciation of Desargues
172. Pascal and his theorem
173. Pascal’s essay
174. Pascal’s originality
175. De la Hire and his work
176. Descartes and his influence
177. Newton and Maclaurin
178. Maclaurin’s construction
179. Descriptive geometry and the second revival
180. Duality, homology, continuity, contingent relations
181. Poncelet and Cauchy
182. The work of Poncelet
183. The debt which analytic geometry owes to synthetic geometry
184. Steiner and his work
185. Von Staudt and his work
186. Recent developments
INDEX






CHAPTER I - ONE-TO-ONE CORRESPONDENCE