Mathematics
Found in 145 Collections and/or Records:
untitled, c June 1706
This appears to go with item Coll-33/Quarto A [49.2] , "Querys to Sr Humphrey Mackworth", neither of which has an entry in Gregory's index. It is clearly an amortization problem, and bears a relation to the Equivalent and to calculations by a Mr H.
Varia Exempla particularia ... Nostr: Methodo, 1688-1707
Gregory considers his work in light of Craige's.
On the reverse of one sheet, dated 29 January 1707, Gregory notes some of the prophecies of the sect to which his colleague Fatio belonged.
Varia positiones ... in prob: Pappi, c1703
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.
Viviani Enigma Geometricum Demonstratum, 18 December 1693
One of the three drafts of a paper to solve the famous problem of drawing in a hemispherical dome four apposing windows, so that, when these were removed, the remaining surface of the dome could be exactly measured.
Wallis de Quadrat: Hyperbolae, 1702-1710
A paper of Dr Wallis's on quadrature and hyperbolae. A possibly unrelated jotting follows on a separate slip.