Paper, 'The eclipse of the Sun' by Francis Willughby, [Walter] Pope, [Henry] Phillips and Robert Hooke

Description

The authors describe a solar eclipse observed at Gresham College. 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 as 'Observations made in several places, of the late eclipse of the sun, which hapned on the 22 of June, 1666'

Reference number

CLP/8i/13a

Earliest possible date

1666

Physical description

Ink on paper

Page extent

2 pages

Format

Manuscript