| RefNo | HS/22/115 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to James David Forbes |
| Creator | John Frederick William Herschel |
| Recipient | James David Forbes |
| Date | 9 April 1842 |
| Description | Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Instructions for preparing liquid for the actinometer. Describes 'very strange' experiments on the spectrum as well as an 'unusual' cloud formation. |
| Language | English |
| Extent | 3pp |
| Format | Manuscript |
| Place origin | n.p. |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Original available: St. Andrews 21? |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel3316
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |
| NA6280 | Forbes; James David (1809 - 1868); natural philosopher | 1809 - 1868 |