I was in London after Whitsuntide 1670; came acquainted with Sir. Jo. Moor; bought telescope glasses, and had Mr. Townly’s Micrometer presented to me by Sir Jonas Moor.

Set a Pole up to raise my glasses, March 21, 1671, at Derby.

Began to measure distances in the heavens, Octo. 17, 1672.

Continued them there till Jan. 1673/4.

1672. Sept. Observed ♂—deduced his parellax from the Observations ═ to his diameter.

1674. May the 2d. came to London.

29, went to Cambridge.

June the 5th. My degree.

July 13, returned to London.

Aug. 13, left London.