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Geometry

 Subject
Subject Source: Library of Congress Subject Headings
Scope Note: Created For = NAHSTE

Found in 57 Collections and/or Records:

A paper of my own about the descent in a Cycloid printed in the Philosophical Transactions of the Royal Society in 1697, cFebruary 1697

 Item
Identifier: Coll-33/Quarto A [22]
Scope and Contents A late draft of an elementary development of Christiaan Huygens' work on the cycloid, that finally appeared anonymously in the Philosophical Transactions of the Royal Society for February 1697 (nos 225, 424).

A problem proposed by Robert Anderson 1698 about Geometry, c1675-1698

 Item
Identifier: Coll-33/Quarto A [21]
Scope and Contents A search for a way to find an angle in a right triangle bisected laterally by a parabola. It is signed "Rob:t Anderson", and is written in a hand presumably his. Gregory has written, "sent to me by Mr G Keith Aprilo 1698) at the bottom.

Ad Geometriam Indivisibilium, 1680's

 Item
Identifier: Coll-33/Folio C [126]
Scope and Contents Theorems attributed to one 'Cavillarius', possibly Francesco Bonaventura Cavalieri (1598-1647), Jesuit mathematician from Bologna.

An account of a manuscript..., c1703

 Item
Identifier: Coll-33/Folio E [062]
Scope and Contents A manuscript reviewed by Gregory for a colleague (whose name is illegible), mostly concerning Euclid.

Apud Doctorem Ruyschium Amsterodami, 24 May 1693

 Item
Identifier: Coll-33/Quarto A [10]
Scope and Contents Notes from a paediatric anatomy demonstration, that appears to have dealt with certain birth defects. Followed by what appears to be a note about an actuarial problem concerning human senescence; several individuals who have worked on it are named, including Christiaan Huygens. Then follows a diagram of a machine designed by Jan Hudde for descrying a curve of changing slope. Last is a note about a conversation with Hudde about calculating dimensions and focal length of lenses in apertures.

Astronomiae Physicae et Geometricae Elementa, 28 February 1698

 Item
Identifier: Coll-33/Quarto A [43]
Scope and Contents Notes from a London meeting with Sir Isaac Newton on a revised plan for the Astronomiae physicae et geometricae elementa, (1702), Gregory's most important work. An erratum lies at the foot of this document, unrelated to it or to any of the other things on the sheet (which have their own entries in Gregory's index): a jotting about refraction, crystals, and cataracts of the eye. This is dated London, 30 May 1708.

Canon Slusz de tangentiibus Curv: ..., 1680-1681

 Item
Identifier: Coll-33/Quarto A [72]
Scope and Contents Extract of a letter, written in an unknown hand, from René François de Sluse to the publisher of the Philosophical Transactions, concerning his general algorithm on Fermat's application of his own method of maxima and minima to tangents. De Sluse's article appeared in January 1673.

Collatio Dat: Euclidis, c1703

 Item
Identifier: Coll-33/Folio E [059]
Scope and Contents Notes on Gregory's Euclid volume.

Contra Cartesium de refractione, 1680's

 Item
Identifier: Coll-33/Folio C [161]
Scope and Contents A general critique of Cartesian geometry.

Corrigenda in Libris Apollonii, December 1705

 Item
Identifier: Coll-33/Folio E [060]
Scope and Contents Corrections for Gregory's volume on Apollonius.