Found in 84 Collections and/or Records:
One-page summary of Gregory's major textbook.
Corrigenda, probably for the Astronomiae.
Latin and English notes on Pappus, probably in connection with his book project on the ancient geometers.
The third side of this item is unrelated, a copy of an 1707 letter from Gregory, Christopher Wren, Isaac Newton, and others, to Danish astronomer Olav Roemer, concerning the Astronomiae, and accuracy of certain calculations and observations by Flamsteed and Tycho Brahe. The Tycho ms. is probably the 1627 Tabulae Rudolphinae, translated by Kepler.
Volume contains manuscript notes on the geometry of motion, on materials science, and on astronomy; some jotted diagrams and tables attend.