| RefNo | RBO/19/1 |
| AltRefNo | RBO.19.1 |
| Level | Item |
| Title | 'Description of Mr Whiston's Reflecting Telescope for the discovery of the Longitude at Sea' by the inventor |
| Date | 1734 |
| Description | Original letter dated 6 November 1734 Read to the Royal Society on 7 November 1734 |
| Language | English |
| Extent | 4 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |