| Reference number | LBO/1/130 |
| Alternative reference number | LBO/1/347 |
| Level | File |
| Title | Copy letter fromJohn Wallis, Oxford, to Henry Oldenburg |
| Date | 18 August 1666 |
| Description | Concerning the observations of tides from the beginning of September to the end of November |
| Extent | 1p |
| Format | Manuscript |
| Access status | Open |