| RefNo | RB/3/4/20 |
| Previous numbers | BL 4, fol. 36 |
| Level | Item |
| Title | Enclosure describing celestial phenomena |
| Date | 14 December 1680 |
| Description | Original letter |
| Language | English |
| Extent | 1 leaf, fol. |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Published in 'Correspondence', vol. 6, pp. 124-6 |