| Reference number | LBO/3/69 |
| Alternative reference number | LBO/3/139 |
| Level | File |
| Title | Copy letter from Henry Oldenburg to Franciscus Renatus Slusius |
| Date | 16 July 1669 |
| Description | Being a reply to a letter dated 31 May 1669 by Slusius
Includes a mathematical diagram in ink in the margin of page 140 |
| Language | Latin |
| Extent | 3p |
| Format | Manuscript |
| Access status | Open |