Astronomy
Found in 101 Collections and/or Records:
De Parallaxi Magni Orbis. Jac. Gregorius, before 1675
A draft of the parallax method of proving the earth's motion, i.e., by measuring the angular distance between two stars from diametrically opposite points in the earth's orbit. This was consulted by David in the course of preparing his Astronomiae.
Descriptio Christalli Heddintomani, c17 May 1697
Drafts and notes, c. 1932-1946
The material consists of 5 files containing material relating to Edward Appleton's research into meteors.
Eclipses and latitude, c1700
Calculation of London's latitude, given the times that certain eclipses happened around the globe.
Eclipses and latitude, 1698-1700
Published resources for the Astronomiae.
Elementa Astronomiae, conscribenda a D.G. et al., 23 April 1697
The basic planning document for David Gregory's major work, composed probably in conference, at eleven thirty in the morning, 23 April, 1697, with the collaborators' initials at the top.
Errata, 1704
List of locations, apparently within the Astronomiae, where editorial changes are due.
Explanation of Phenomena, c1780-c1803
Volume contains manuscript notes in English and Latin on various known astronomical phenomena.