| RefNo | MA/348/12 |
| Previous numbers | MA.348 |
| Level | Item |
| Title | Notebook of [vertical or horizontal force?] magnetometer observations made at Colaba Observatory, Bombay [Mumbai], India, by [Arthur Bedford Orlebar] |
| Creator | Orlebar; Arthur Bedford (1810-1866); British mathematician and inspector of schools |
| Date | 1-26 January 1842 |
| Description | Daily readings of changes to the Earth's magnetic field. Columns for time, observed reading, middle doubled, sum, and mean.
A fragmentary notebook with losses. |
| Extent | 22p. [pp.17-18 and p.22 blank] |
| Format | Manuscript |
| PhysicalDescription | Ink and pencil on paper |
| Dimensions | 159x110mm. |
| AccessStatus | Open |