| Reference number | LBO/1/24 |
| Alternative reference number | LBO/1/63 |
| Level | File |
| Title | Copy extract of a letter from Christian Huygens, the Hague to Robert Moray |
| Date | 24 February 1662 |
| Description | Discusses the application of the cycloid to the pendulum watches, and awaits with impatience Boyle's response concerning the water which does not descend and the weight of the air.
Includes figure of pendulum swing |
| Language | French |
| Extent | 2p |
| Format | Manuscript |
| Access status | Open |