| Reference number | RB/1/25/1 |
| Previous numbers | BP 25, pp. 1-18 |
| Level | Item |
| Title | Remarks about natural history in the form of a letter to Henry Oldenburg. |
| Date | 13 June 1666 |
| Description | Hand: Bacon |
| Language | English |
| Extent | pp. 1-18 (9 leaves) |
| Format | Manuscript |
| Notes | P. 18 is blank. |
| Access status | Open |
| Related material | 'Correspondence', vol. 3, pp. 170-5. 'Oldenburg', vol. 3, pp.160-66. |