| RefNo | RB/3/3/23 |
| Previous numbers | BL 3, fols. 49-50 |
| Level | Item |
| Title | Christiaan Huygens to Sir Robert Moray. |
| Date | 30 September 1661 |
| Description | Original letter. NS: ie., 20 September 1661 OS. |
| Language | French |
| Extent | 2 leaves, 4o |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Cf. BL 6, fols. 15-16.\r\nSummarised in 'Correspondence', vol. 6, pp. 417-8. Published in Huygens, 'Oeuvres Completes', 22 (The Hague, 1950), pp. 71-3 |