Geometry.
Clavius, Christoph. **E.5010.54 Opera mathematica V tomis distribute. Moguntiae. Hierat. 1611, 12. F°, Contents.-l1. In Euclidem fet] in Theodosium com- mentarii.-De sinibus ac lineis tangentibus & se- cantibus.-Triangula rectilinea sphaerica. 2. Geo- metria.-Arithmetica.-Algebra. 3. Commentarius in sphaeram Ioannis de Sacro Bosco.-Astrolabium. 4. Gnomonices libri octo.-Fabrica et usus instrumenti tinued)