| Reference number | MS/257/2/186 |
| Alternative reference number | Sa.568 |
| Previous numbers | ES2/25/568 |
| Level | Item |
| Title | Notes to [John Brown] Jordan's printed description of [Robert Were] Fox's dipping needle |
| Date | 19th century |
| Description | Discussion regarding the deflection from the dip at different stations. |
| Extent | 4p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |