At 14 years of Age 1660, Got a great cold—was followed by 5 years sickness—a Consumption.
Recovered, by God’s blessing, on a journey into Ireland 1665, in the months of August and Sept.
Began to study Mathematics in 1662. The first book I read was Sacrobusco de Sphæra, which I turned into English.
In 1665 Calculated Eclipses and the planets, places from Street’s Caroline tables, and wrote my Treatise of the æquation of Days.
In 1666 observed the Eclipse of ye Sun.
In 1669 observed a Solar Eclipse and some appulses, and presented the prædictions of more for the year 1670 to the R. S.[242] this brought on a Correspondence with Mr. Oldenburg—Collins.
Mr. Oldenburg’s first letter to me is dated Jan. 14. 1669-70.
Mr. Collins 2o Feb. 3. 1669-70.
My Predn. of Appulses 1670, printed in ye Ph. Tr. No. 55 for Jan. 1669-70.
Mr. N’s.[243] The. of light and Colors, 80. Feb. 19. 1671-2.