GREGORIUS, a Sancto Vicentio. Quadraturae circuli, Antwerp: Joannes & Jacob Meursios, 1647, 2 volumes in one, 2°, half title, engraved title, woodcut diagrams ([?] lacking printed title to vol. I, spotted), contemporary calf, gilt armorial of the Inner Temple Library to front cover (rebacked, somewhat rubbed and scuffed), F. Maseres' inscription to first blank (dated 27 August 1774), bookplate and stamps of the Inner Temple Library -- John Lodge COWLEY. An Illustration and Mensuration of Solid Geometry; in seven Books, revised and augmented by William Jones, London: by S. Gosnell, for the editor, 1787, 4°, third edition, 42 engraved plates with moveable flaps (occasional light spotting), contemporary calf (rebacked, worn), F. Maseres' inscription to first blank (dated 23 September 1796), marks of the Inner Temple Library. With 10 other works on geometry, including a presentation copy of John Leslie's Geometry of Curve Lines (Edinburgh, 1813) and Abram Robertson's Sectionum conicarum libri septem (Oxford, 1792). (12)