| RefNo | HS/1/196 |
| Level | Item |
| Title | Letter, from George Biddell Airy to Sir John Herschel, dated at Royal Observatory, Greenwich |
| Date | 24 February 1848 |
| Description | Autograph letter signed by sender. Regarding modifications for the actinometer. Has written to Georg Merz regarding the object-glass. Regarding the eight-inch object-glass. Name of the maker of his actinometer. [John Frederick William Herschel has written a rough draft of his reply to this letter on the same sheet.] |
| Language | English |
| Extent | 2p |
| Format | Manuscript |
| Place origin | The Royal Observatory, Greenwich |
| Origin coordinates | 51.47783, -0.00139 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel4806
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8035 | Airy; Sir; George Biddell (1801 - 1892); astronomer and mathematician | 1801 - 1892 |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |