| RefNo | RBO/15/75 |
| AltRefNo | RBO.15.345 |
| Level | Item |
| Title | Concerning a phenomenon in the sky which Dr Scheuchzer called 'Iris sive Crepusculum Aurorae borealis' |
| Date | 1731 |
| Description | Original letter to Hans Sloane dated 30 June 1730 at Zurich Translated by Philip Zollman Read to the Royal Society on 1 April 1731 |
| Language | English |
| Extent | 5 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | EL/S2/82 |