Huygens, Christiaan. 1629-1695. **E.192.6 Opera varia. Lugduni Batavorum. 1724. 4 v.in 1. Portrait. Diagrams. 4°. Contents. — 1. Opera mechanica. 2. Opera geometrica. 3. Opera astro- nomica. 4. Opera miscellanea.
[This work is kept on the Special Libraries Floor.]
May 7, 1903 E7959 — Mathematics. Collected works.