| RefNo | AP/4/17 |
| Level | Item |
| Title | Unpublished observations, taken with astronomical brass quadrant by Rev Mr Smith |
| Date | 14 October 1777 |
| Description | Astronomical observations taken from the top of a church with an astronomical brass quadrant fitted with telescopes and a micrometer for measuring seconds of a degree. A Dollond acromatic object glass telescope of 3 1/2 feet was also used. The objective of these observations was to determine the latitude and longitude of Madras [Chennai, Tamil Nadu, India].
Subject: Astronomy
Written by Smith at Fort St Geo [George, Chennai, Tamil Nadu, India]. Communicated by John Call. |
| Extent | 2p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA7210 | Call; Sir; John (1732 - 1801) | 1732 - 1801 |