| Reference number | LBO/6/52 |
| Alternative reference number | LBO/6/133 |
| Level | File |
| Title | Copy letter from John Wallis, London, to Christian Huygens |
| Date | 30 May 1673 |
| Description | ' Concerning his booke lately printed De Horoloio oscillatorio etc. ' |
| Language | Latin |
| Extent | 5p |
| Format | Manuscript |
| Access status | Open |