| RefNo | AP/18/8/2 |
| Level | Item |
| Title | Unpublished diagram, magnetic observations by James Dunlop |
| Date | 5 July 1833 |
| Description | Diagram of the southern hemisphere with the south pole at the centre and Dunlop's measurements labelled. |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1830.0175 |