| RefNo | MA/251/7 |
| Previous numbers | MA.251 |
| Level | Item |
| Title | Magnetic observations at the Madras Magnetic Observatory, India, by Samuel Owen Edgar Ludlow |
| Creator | Ludlow; Samuel Owen Edgar (d.1888); British army officer in India |
| Date | 10 January 1842 |
| Description | Observations of horizontal intensity using magnets no.X and no.8
Signed [p.1]: 'S.O.E. Ludlow Supt'. |
| Extent | 2p. [p.2 blank] |
| Format | Manuscript |
| PhysicalDescription | Ink on paper. |
| AccessStatus | Open |