Trigonometry, Spherical.
Bowditch, Nathaniel. **E.5123.35 Application of Napier'’s rules for solving the cases of right-angled spheric trigonometry to cases of oblique-angled trigonometry. ° (Camb. 1809.) 5 pp. Diagrams. 4, From Memoirs of the Amer. acad. of arts and sciences, vole 3 *3370.7-3 **E.145.1.35