| RefNo | MM/11/165 |
| Level | Item |
| Title | Letter from Humphrey Lloyd, Trinity College Dublin, to J F W Herschel |
| Date | 27 January 1842 |
| Description | On the question of how long the magnetic observations at the 'Colonial Observatories' should continue for. |
| Extent | 4 sides |
| Format | Manuscript |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |
| NA8252 | Lloyd; Humphrey (1800 - 1881) | 1800 - 1881 |