SPHERE.
_ Rare BooK
Derr CEmerson, William] 1701-1782. *XAdams The projection of the sphere, orthographic,
-TT0 stereographic, and gnomonical. Both demonstrat- - Em3C ing the principles, ‘and explaining the practice v.6 of these three several sorts of projection. The
no.2 second edition, corrected and improved ... London, Printed for J.Nourse,in the Strand, bookseller in ordinary to His Majesty. M DCC LXIX. (17691
iv,57,ClIp.,1f.,11,81,Clip. ix,vi fold.diagrs.
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