| RefNo | HS/20/25 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to William Wallace, dated at Brighton |
| Creator | John Frederick William Herschel |
| Recipient | Wallace; William (1768-1843); Scottish mathematician; astronomer |
| Date | 23 September 1815 |
| Description | Copy of a letter. William Wallace's elegant presentation of doctrine of limits is best basis for elementary treatise but not for extensive work, because it involves imaginary functions. Charles Babbage is making progress in theory of functional equations. |
| Language | English |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | Brighton, East Sussex |
| Origin coordinates | 50.820833, -0.1375 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel7814
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |