| RefNo | MA/254/5 |
| Previous numbers | MA.254 |
| Level | Item |
| Title | Magnetic observations at the Trivandrum Magnetic Observatory, India, by John Caldecott |
| Creator | Caldecott; John (1800-1849); British astronomer |
| Date | 21 January 1842 |
| Description | Horizontal force observations made using bar no.2, at the Magnetic Observatory at Trivandrum [Thiruvananthapuram], Kerala. The table provides thirty readings, in groups of five, commencing at 11.22am. Columns for time, number of readings, values, means, value for 'r', position f deflecting bar, position of horizontal end, correction for change in deflection, corrected readings, and deflections.
Headed [p.1]: 'Trivandrum Magnetic Observatory January 21st 1842' and 'copied from Miscellaneous Register'. Signed [p.2]: 'Jno. Caldecott'. |
| Extent | 2p. |
| Format | Manuscript |
| PhysicalDescription | Ink on paper. |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA2446 | Caldecott; John (1800 - 1849) | 1800 - 1849 |