| RefNo | RBO/21/48 |
| AltRefNo | RBO.21.263 |
| Level | Item |
| Title | Account of a tract by J Weidler on the parhelia (mock suns) witnessed at Wittemberg |
| Date | 1738 |
| Description | Account drawn up by Thomas Stack
Tract divided into 17 sections
Parhelia witnessed in January 1736
Greater detail given about sections 15-17
15th section - Weidler refutes Huygens' method of accounting the halo
16th section - Weidler gives his views about parhelia
17th section - explains the appearance of an inverted iris
Appendix - account of the red lights seen on 5 December 1737
Read to the Royal Society on 22 March 1738 |
| Language | English |
| Extent | 7 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA6780 | Weidler; Johann Friedrich (? 1691 - 1755); mathematician and astronomer | ? 1691 - 1755 |