Physics
Found in 30 Collections and/or Records:
Machinae, Hydrostaticae, et hydraulicae et Barascopium Hugen:, December 1680
Novelties seen and sketched by Gregory in Paris. The hydraulic machine caused a doll to fly inside a bottle.
Notata phys: et math: London ..., 1697
Notes on scientific matters, many of them discussed with Newton, such as why the brachistochrone curve is a cycloid and how a musical chord can have the figure of a catenaria, and a record of curiosities, such as the toads of Surinam, who breed their young on their backs, and floors that can be secured made with dovetails instead of nails.
Notata phys: et math: London ..., 1698-1705
Almost certainly a latter part of Gregory's item 80: 'Notata Phys: et Math: D.G. Lond: 25 June &c 1698'. This covers cone sections, elements of Euclid, errata in a Halley treatment of comets in his own Apollonius project, and a jotting on Scottish history bibliography.
Quarto A, c1680-c1708
Serenissimo Principo ac Domino Georgio ... Daniae, 1702
A draft dedication of Elementa Physicae et Geometricae to its patron, George, Prince of Denmark.
Summarium nostra Astronomiae Phys: et Geom:, c1690
One-page summary of Gregory's major textbook.
Table des Refractions, 1688
A refraction table for a 90-degree sweep of the heavens, at constant temperature.
Also a note of a meeting arrangement in Paris with colleagues.
The proportions of weight of several bodys compared together..., s.d.
A specific gravity table.
The proportions of weight of several bodys compared together..., 1694
Notes from a conversation with Fatio.