THESAURUS

Spherograph Thesaurus

An instrument for facilitating the practical use of spherics in navigation and astronomy, constructed of two cardboards containing various circles, 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.

Related Words

Related dictionary entries include spherometer, spheroscope, spherics, spherocylinder, spheare, sphaere.

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