| RefNo | RBO/14/4 |
| AltRefNo | RBO.14.9 |
| Level | Item |
| Title | 'Observation of a nocturnal Iris' in a letter from Mr Raph Hansard |
| Date | 1728 |
| Description | Read to the Royal Society on 14 and 21 November 1728 |
| Language | English |
| Extent | 2 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |