Showing Records: 71 - 80 of 318
De Curva tractoria ubi longitudo tangentis datur, c1691
Gregory on the slopes of curves.
De Ductu Parabolae in Parabolam, c1684
A note on drawing a parabola through another parabola.
De Electionibus in Ludo Alea, 30 Sept. 1694
A game-theory jotting on dicing, after Halley.
De Elevando trinomio ad dignitatem indefinatam, 1686
Gregory on elevating trinomials.
De focis sectionum in Cono investigendis, s.d.
Notes on conic sections.
De genitura Lud: XIV..., 1696-1700
Astrological score-keeping concerning Louix XIV of France and William Duke of Gloucester. Scrap of discarded geometry, unrelated to this, on reverse.
De Gradibus...Gravis Cadentis, s.d.
A treatis on orbits and gravity.
De gyratione Globorum de collisione mutua Probl: Halleianum 3, c January 1695
Treatment of Sir Edmond Halley's method of finding the rotary motions produced in two spheres by an oblique impact. Appears to have been written in a hand other than David Gregory's, [Halley's?] though the title is clearly in his.
De Heliaco orta Sirii anno ante Christum 2783, a.D. Wills..., 1696
This paper, says Gregory himself, is for a Doctor Wills at Oxford, who undertakes to give a solstice long before that adduced by Hyparchus.
De Inveniendo Numero ... Divisores et residum, s.d.
A note on division, divided between two small sheets (both labelled as such).