| Reference number | MS/257/2/185 |
| Alternative reference number | Sa.567 |
| Previous numbers | ES2/25/567 |
| Level | Item |
| Title | Letter from Robert Were Fox, Falmouth to [Francis] Beaufort |
| Date | [15 June 1839] |
| Description | Fox sends Beaufort a report of results obtained with a dipping needle, as well as results of Fox’s observations in France. |
| Extent | 2p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |