'Account Of the Eclipse of the Sun' by Robert Hooke The authors describe a solar eclipse observed at Gresham College by Francis Willughby, Dr Pope, Mr Phillips and Hooke at Gresham College on 22 June 1666. The eclipse began at 5:43pm. It was darkened, {3/11 diam.at 6.00 5 dig. at 7. 06 {4 digits at 6. 07 4 dig. at 7. 13 {5 dig. at 6. 13 3 dig. at 7. 20 {6 dig. at 6. 21 2 dig. at 7. 26 {7 dig. at 6. 39½ 1 dig. at 7. 32 {6 dig. at 6. 57 0 dig. at 7. 37. Its duration appears to have been one hour and 54 minutes. Its greatest obscurity was somewhat more than 7. digits. Includes a geometrical diagram. Subject: Astronomy Read to the Royal Society on 27 June 1666 Published in Philosophical Transactions vol 1, no 17, p 295 as 'Observations made in several places, of the late eclipse of the sun, which hapned on the 22 of June, 1666' nd