SECTION VI. LETTERS. 



35 



Flamsteed to Newton, 



Flamsteed to Dr Wallis, 

 Flamsteed to Newton, 



July 13, 1695. 



July 18, 1695. 



July 23, 1695. 



Aug. 4, 1695. 



Aug. 6, 1695. 



Sept. 19, 1695. 



Jan. 11, 1696. 



Sept. 4, 1697. 



Dec. 10, 1697. 



Dec. 29, 1698. Note by Flamsteed 

 of the no. of observations of planets 

 taken between 1675 and 1689. 



Dec. 20, 1698. Printed copy of Latin 

 letter. 



Jan. 2, 1698-9. 



V. 



GREGORY TO NEWTON. 



David Gregory to Newton, June 9, 1684. 

 Sept. 2, 1684. 



August 27, 1691. 

 Oct. 10, 1691. 

 Nov. 7, 1691. 

 Nov, 7, 1691. ' 

 Nov. 26, 1691. 

 Sept. 24, 1694. 



Dec. 23, 1697. 



Sept. 30, 1702. 



Newton to Gregory (draft), no date, about 1691. 



VI. 



LETTERS FROM HALLEY TO NEWTON RELATING TO 

 THE PUBLICATION OF THE FIRST EDITION OF 

 THE 'PRINCIPIA.' 



May 22, 1686. Printed in Brewster's Life of Newton, 



Append. 8 & 12 to Vol. i. p. 438 



June 29, 1686. p. 446 



32 



