| RefNo | HS/24/189 |
| Level | Item |
| Title | Copy of draft letter, from Sir John Herschel to John Henry Dallmeyer, dated at Collingwood |
| Creator | Herschel; Sir; John Frederick William (1792 - 1871); astronomer and mathematician |
| Recipient | Dallmeyer; John David (1830-1883); Anglo-German optician |
| Date | 19 February 1867 |
| Description | Copy of draft letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Outlining suitability of various types of glass for optical work. Gives details of theories of his reading lenses and calls attention to one of his own papers in the Philosophical Transactions of the Royal Society for 1821. |
| Language | English |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | Collingwood, Hawkhurst, Kent |
| Origin coordinates | 51.035306, 0.513556 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | HS/6/6 |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel6688
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |