| Reference number | HS/4/254 |
| Level | Item |
| Title | Draft notes towards a letter, from Sir John Herschel to David Brewster |
| Creator | John Frederick William Herschel |
| Date | 19 April 1820 |
| Description | Memoranda of letter, in Herschel's hand. Notes on Brewster's letter from 11 February 1820. Presented as extracts and answers, marked A. Discusses the theories on deviations of tints, and optics in crystals. Relates to paper published for the Cambridge Philosophical Society. |
| Language | English |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | n.p. |
| Access status | Open |
| Related material | Copies: HS/4/253; HS/4/252; HS/20/90 |
| Related records in the catalogue | HS/4/253 |
| HS/4/252 |
| HS/20/90 |
| URL description | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel5777
|
Fellows associated with this archive
| Code | Name | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |
| NA7450 | Brewster; Sir; David (1781 - 1868); natural philosopher | 1781 - 1868 |