| RefNo | MA/251/13 |
| Previous numbers | MA.251 |
| Level | Item |
| Title | Magnetic and astronomical 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 | February 1842 |
| Description | Measurements of absolute declination, based on observations of seven pairs of stars, 9 February 1842.
Signed [p.1]: 'S.O.E. Ludlow Supt. Magl. Obsy'. |
| Extent | 2p. [p.2 blank] |
| Format | Manuscript |
| PhysicalDescription | Ink on paper. |
| AccessStatus | Open |