| Reference number | LBO/2/13 |
| Alternative reference number | LBO/2/31 |
| Level | File |
| Title | Copy of a letter from Henry Oldenburg, London, to Pierre Petit |
| Date | 2 June 1667 |
| Description | Thanks him for his present of the book concerning comets, made to the Royal Society; together with the opinion of some of that body about the same. |
| Language | French |
| Extent | 3p |
| Format | Manuscript |
| Access status | Open |