| Reference number | L&P/4/206 |
| Level | Item |
| Title | Letter, 'Observations of an eclipse of the sun' from Mark Day to Thomas Birch |
| Date | 3 April 1764 |
| Description | Subject: Astrology
Read 12 April 1764 |
| Extent | 2p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA8129 | Birch; Thomas (1705 - 1766) | 1705 - 1766 |