Crossword-Solution: SPHERICS 8 letters, 4 clues 🏆 scrabble score: 15

Near that a dusty paint-box, some odd hooks, A half-burnt match, an ivory block, three books, Where conic sections, spherics, logarithms, To great Laplace, from Saunderson and Sims, _95 Lie heaped in their harmonious disarray Of figures,--disentangle them who may.

The most important are:--_Euclid's Elements; Euclid's Data; Optical Lectures_, read in the public school of Cambridge; _Thirteen Geometrical Lectures; The Works of Archimedes, the Four Books of Apollonius's Conic Sections, and Theodosius's Spherics, explained in a New Method_; A _Lecture_, in which Archimedes' Theorems of the Sphere and Cylinder are investigated and briefly demonstrated; _Mathematical Lectures_, read in the public schools of the university of Cambridge.

Etym: [Sphere + -graph.] Defn: An instrument for facilitating the practical use of spherics in navigation and astronomy, being constructed of two cardboards containing various circles, and turning upon each other in such a manner that any possible spherical triangle may be readily found, and the measures of the parts read off by inspection.

Spherics, or the doctrine of the sphere, was the subject of numerous treatises, and the foundations were securely laid for that department of astronomical research which was absolutely essential to farther advance.

His treatment of spherics and of the affections of the sides and angles is, in many respects, novel, and more easy of apprehension by the general student.