SECTION VI. 



LETTEES. 



I. 

 CORRESPONDENCE WITH OLDENBURG. 



Oldenburg to Newton, 

 Newton to Oldenburg, 



Oldenburg to Newton, 

 Newton to Oldenburg, 

 Oldenburg to Newton, 

 Newton to Oldenburg, 



Oldenburg to Newton, 

 Newton to Oldenburg, 

 Oldenburg to Newton, 



Newton to Oldenburg, 



Jan. 18, 1672. 

 March 26, 1672. 

 March 30, 1672. 

 Early in April, 1672. 

 April 13, 1672, in reply to the above. 

 May 2, 1672. 

 May 4, 1672. 

 May 21, 1672. 

 July 2, 1672. 

 July 11, 1672. 

 Sept. 24, 1672. 

 June 4, 1673. 

 June 7, 1673. 

 Sept. 14, 1673. 

 Feb. 19, 1676. 



Sept. 2, 1676, Brewster, i. 129. 

 planting cyder-trees, with a copy. 

 Nov. 28, 1676. 



On 



Oldenburg to Newton, Jan. 2, 1677. 



II. 

 CORRESPONDENCE WITH COLLINS AND WALLIS. 



Newton to Collins, Aug. 20, 1672, on a logarithmick ruler. 

 Collins to Newton, July 5, 1671, with draft of Newton's answer. 



Aug. 31, 1676. 



Sept. 9, 1676. 

 Collins to Wallis, no date. 



