On the doctrine of the sphere, in six books. Book I. Containing some preliminary Properties of the Cone. II. The General Doctrine of the Sphere. III. Of Spheric Angles and Triangles. IV. Of the Orthographic Projection. V. Of the Stereographic Projection. VI. Of Spheric Trigonometry. To which is added an appendix: containing the solution of a problem, for ascertaining the latitude and longitude of a place, Together with the Apparent Time. By the Rev. George Walker, F.R.S.

Date:

MDCCLXXVII. [1775]