| RefNo | HS/17/5 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to C. A. von Steinheil, dated at Collingwood |
| Creator | John Frederick William Herschel |
| Recipient | Steinheil; Carl August von (1801-1870); German physicist; inventor; engineer; astronomer. |
| Date | 16 June 1842 |
| Description | Contemporary copy in sender's hand, signed by sender. Thanks for suggestion of gold plating the telescope mirrors. Mentions idea of mounting a reflector horizontally but finds its execution 'insufferable'. Thanks for work on photometric measurement of light of stars. Disagrees on some results. Encloses new photographic specimens. |
| Language | English |
| Extent | 4pp |
| Format | Manuscript |
| Place origin | Collingwood, Hawkhurst, Kent |
| Origin coordinates | 51.035306, 0.513556 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Copy: HS/22/124 |
| RelatedRecord | HS/22/124 |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel3121
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |