| RefNo | DM/4/16 |
| Level | Item |
| Title | Extract of a letter from John Frederick Sackville, 3rd Duke of Dorset, to Lord Carmarthen |
| Date | 15 March 1787 |
| Description | On the co-operations between the British and the French over the measuring of the relative situations of the observatories of Paris and London.
The Duke of Dorset was at the time the British Ambassador in Paris. |
| Extent | 1 side |
| Format | Manuscript |
| AccessStatus | Open |
| AccessConditions | OPEN - but photocopying forbidden. |