| RefNo | RBO/11/35 |
| AltRefNo | RBO.11.148 |
| Level | Item |
| Title | 'An account of two mock-Suns and an Arc of a Rainbow inverted with an Halo and its bright Arc seen on Sunday and munday October 22 and 23 1721 at Lyndon Comitat Rutland Communicated by William Whiston' |
| Date | 1721 |
| Description | Original letter dated 6 November 1721
Figures showing the parhelion in text
Read to the Royal Society on 26 October 1721 |
| Language | English |
| Extent | 4 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | CLP/4i/62 |