| Reference number | LBO/3/93 |
| Alternative reference number | LBO/3/194 |
| Level | File |
| Title | Copy extract from a letter by Christian Huygens, Paris, to Henry Oldenburg |
| Date | 30 October 1669 |
| Description | Concerning the glasse of 50 foot long, and what himselfe and company have lately done in such long glasses; together with some notes about Motion, and an account of the success of his sea - watches |
| Language | French |
| Extent | 2p |
| Format | Manuscript |
| Access status | Open |