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A treatise of the sphere
shewing how it is deriv'd from that theory which justly asserts the motion of the earth: as also of the projections of it, both orthographical & stereographical; Demonstrating their Properties from Fundamental Propositions, and shewing their Uses. With the Resolution of Astronomical and Chorographical Problems. By the late Reverend John Witty, M.A. and Chaplain to His Grace the Duke of Devonshire -
Elements of plain and spherical trigonometry
together with the principles of spherick geometry, and the several projections of the sphere in plano. The whole Demonstrated and Illustrated with Useful Cases and Examples. By J. Harris, A. M. F. R. S. and Chaplain to the Right Honourable the Lord-Keeper