| RefNo | AP/28/8/2 |
| Level | Item |
| Title | Unpublished letter, regarding 'On magnetic variation' from John George Hartley to Dr [Peter Mark] Roget |
| Creator | Hartley; John George (fl 1846) |
| Date | 13 August 1846 |
| Description | Hartley introduces his paper on magnetic variation. |
| Extent | 1p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA6616 | Roget; Peter Mark (1779 - 1869); physician and philologist | 1779 - 1869 |