| RefNo | MA/348/6 |
| Previous numbers | MA.348 |
| Level | Item |
| Title | Notebook of 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 | 27 January-31 March 1842 |
| Description | Daily readings of horizontal changes to the Earth's magnetic field. Columns for time, west, east, thermometer and remarks.
With some rough calculations on the rear cover [p.36]. |
| Extent | 36p. [pp.27-35 blank] |
| Format | Manuscript |
| PhysicalDescription | Ink and pencil on paper |
| Dimensions | 170x106mm. |
| AccessStatus | Open |