| Reference number | LBO/1/79 |
| Alternative reference number | LBO/1/229 |
| Level | File |
| Title | Copy extract of a letter from Christian Huygens, of the Hague, to Robert Moray |
| Date | 2 January 1665 |
| Description | Concerning 'a new Instrument for Grinding of glasses; a Patent for sea watches; New charrets [chariots] ; an universall measure; an Engin to measure the descent of heavy bodys, the Table for Equation of dayes; Thermometers; Observations of a Comet' |
| Language | French |
| Extent | 5p |
| Access status | Open |