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Caroli Oliphant praefatio ad Opticam De. Gregorii, 1680's
Carulus Bovillus ... Cycloidem Noverat 1507, 9 November 1696
A page of reading notes from mathematics works from 1503-1509, edited it appears by one Charles Bovill. An inky thumbprint obscures one of the two diagrams on the page.
An algebraic proof, possibly unrelated, follows on a separate sheet.
Catalogue of book[s] now in Holland, May 1693
List of 17 titles (partial cites only) in Latin and French, in an unnamed repository, concerning history, classical literature, and philosophical commentary, such as the "Dictionaire Critique de M. Bail".
Catalogue of the Mathematical Works of the Learned Mr. Thomas Baker, c1683
Catalogus librorum non videram 1692, 1692
Ersatz title is "Memorandum to Dr Gray to pick up as he finds opportunity these books". They are partial titles, numbering about a dozen, covering subjects as divers as optics, astronomy, and gardening.
Catalogus Librorum Novorum Mathem: in Gallijs 1693, c1693
Celestial observations, 6 May 1696
Tabulations of an evening's heavenly observation. The movement of something in the constellation of Leo appears to be the subject.
Charta 4 fol. Notae ad loca quaedam difficiliora Geom: Cartesianae, October 1696
Commentary on Schooten's 1659 edition of Descartes' "Geometria".
Chartae 4. fol: de Nostra 2da Quadrandi Methodo, 1686
A tranche of workpapers in which Gregory continues to labour on adapting Newton's method of quadrature. He continues to have trouble adapting the basic series, an indefinite integral, to the definite integral defined between O and x.
One paper among these was probably intended for the Astronomiae, showing a body moving in an ellipse.
Collatio Dat: Euclidis, c1703
Notes on Gregory's Euclid volume.