| RefNo | MS/257/1/263 |
| AltRefNo | Sa.263 |
| Previous numbers | ES1/42/263 |
| Level | Item |
| Title | Letter from John Caldecott, [Thiruvananthapuram] 'Travandrum' to Edward Sabine |
| Date | 15 September 1841 |
| Description | Caldecott sends Sabine ‘magnetic and other observations’ from [Thiruvananthapuram] for The Royal Society made in June, July, and August [1841]. Describes the observations taken. Caldecott discusses determining values using the bifilar instrument including formulas and information regarding height of magnet, angle, intervals, and collimators. |
| Extent | 4p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA2446 | Caldecott; John (1800 - 1849) | 1800 - 1849 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |