Geometry *3915.17= **E.5118.16 Schooten, F. van -1661. Francisci a Schooten.e. (Continued) problematum simplicium geometricorvm.-Apollonii Pergéei loca plana restituta.-De organica conicarum sectionum in plano descriptione tractatus.-Sectiones triginta miscellanedé. The half-title reads, Francisci & Schooten Exercitetionvm mathematicarvm libri quinque.