| Reference number | AP/16/26 |
| Level | Item |
| Title | On Terrestrial Magnetism |
| Date | 30/06/1831 |
| Description | Written at Summerlands, Exeter, by Lietenaant Colonel John Macdonald FRS
Received 17 July 1831
Contains one figure |
| Extent | 13 sides |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA3036 | Macdonald; John (1759 - 1831) | 1759 - 1831 |