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Curves

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

Found in 9 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).
Dates: cFebruary 1697

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.
Dates: 24 May 1693

Curva foliata, c1693

 Item
Identifier: Coll-33/Quarto A [32]
Scope and Contents Diagram and mathematical description of a foliate curve. A modern hand has pencilled in "7 a Schooten", referring to geometer Frans van Schooten (1615-1660).
Dates: c1693

Excerpta de Codico M.S. Henratii communicata a [illegible], 27 May 1693

 Item
Identifier: Coll-33/Quarto A [19]
Scope and Contents Extract of a volume (only partially cited) found by David Gregory in Amsterdam. He captions this "F: a. Schoten', suggesting that the work transcribed is that of geometer Frans van Schooten (1615-1660). The work concerns curves and quadratures, and is laced with comparisons to the work of Jan Hudde.
Dates: 27 May 1693

Memoranda et observata in Batavia 1693 Maio, 17 May 1693

 Item
Identifier: Coll-33/Quarto A [31]
Scope and Contents Batavia is a seventeenth-century cognomen for the Netherlands, to which David Gregory went in the spring of 1693, mostly to talk science with Christiaan Huygens. This document is a list of some books he wished to buy for himself and for friends back home, if he could find them. They covered Palladius, Thucydides, Dionysius of Halicarnassus, Erasmus, "all I can find of the Roman Authors at Amst[erdam]", and others. On the reverse is a list of topics he wished to discuss when he finally sat down...
Dates: 17 May 1693

Methodus Tangentium demonstrata ..., not later than 1691

 Item
Identifier: Coll-33/Quarto A [39]
Scope and Contents Exposition, by Leiden mathematician Burchard de Volder (possibly in his hand), of René-François de Sluse's method of tangents.
Dates: not later than 1691

Quo ad D.G. spectant in Pitcarnii Probl. de inventoribus, after August 1688

 Item
Identifier: Coll-33/Quarto A [42]
Scope and Contents Commentary on Archibald Pitcairne's Edinburgh edition of Solutio Problematis de Historicis; seu de Inventoribus Dissertatio, (1688) of which an enlarged edition appeared at Leiden in 1693. This tract made Pitcairne's subsequent medical career on the continent for its vindication of the claims of William Harvey to the discovery of the circulation of the blood. It contains other things as well, notably the first public presentation of Gregory's second method of...
Dates: after August 1688

Tractata cum Hugenio - Hage Com. Maio 1693 (from index), 16 May 1693-18 May 1693

 Item
Identifier: Coll-33/Quarto A [8]
Scope and Contents Conversation notes pertaining to a meeting with Christiaan Huygens in the Netherlands. Entry for 16 May 1693, following a jotted chapter citation (see note) and a squib about the glass used in microscopes, is an agenda for the discussion topics, which are to include foliate curves, Huygens' dioptrics (laws of refraction), compound 'astroscopes', gravitational theory of (his Oxford colleague from Switzerland,) Fatio de Duillier, a celestial-motion machine, a new pendulum for Huygens'...
Dates: 16 May 1693-18 May 1693

Tractata et Dicta Huddenis Amsterodami, Maio 1693, 27 May 1693

 Item
Identifier: Coll-33/Quarto A [9]
Scope and Contents Minute account of a day-long meeting with Jan Hudde in Amsterdam, covering things algebraic. Allusions to Gerardus Mercator's vindication about hyperbolics, and to foliate curves in general.
Dates: 27 May 1693