| RefNo | HS/25/14/20 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to Humphrey Lloyd, dated at [Slough] |
| Creator | Herschel; Sir; John Frederick William (1792 - 1871); astronomer and mathematician |
| Recipient | Humphrey Lloyd |
| Date | 1839-3-15 or earlie |
| Description | Copy of a letter. Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism. |
| Language | English |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | Slough, Berkshire |
| Origin coordinates | 51.5082, -0.5954 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel1162
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |
| NA8252 | Lloyd; Humphrey (1800 - 1881) | 1800 - 1881 |