| RefNo | HS/20/231 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to Henry Kater, dated at St. John's College, Cambridge |
| Creator | John Frederick William Herschel |
| Recipient | Henry Kater |
| Date | 21 March 1826 |
| Description | Copy of a letter. Asks for the use of an invariable pendulum and a clock from the Board of Longitude so that G. B. Airy and William Whewell can carry out experiments to measure the change in gravity and the mean density of the earth, in a Yorkshire coal m |
| Language | English |
| Extent | 3pp |
| Format | Manuscript |
| Place origin | St. John's College, Cambridge |
| Origin coordinates | 52.208056, 0.116667 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel11581
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |
| NA1206 | Kater; Henry (1777 - 1835) | 1777 - 1835 |