Hymers, John. **E 5014.60 A treatise on analytical geometry of three dimen- sions, containing the theory of curve surfaces and of curves of double curvature. Camb, Deighton. 1830., (4), xv, 178 pp. 6 pl. 6°,
- Geom. analyti- eas cal of 3 dimensions. —Surfaces. -
Curves of double cur- vature. - Projection. ( Math term.)