| RefNo | HS/15/377 |
| Level | Item |
| Title | Letter, from Heinrich Christian Schumacher to Sir John Herschel, dated at Berlin |
| Creator | Schumacher: Heinrich Christian (1780-1850); German astronomer |
| Recipient | John Frederick William Herschel |
| Date | 9 July 1835 |
| Description | Autograph letter signed by sender. Visits F. W. Bessel in Berlin to discuss pendulum experiments. [C. A.] Steinheil invented a photometer to measure relative light of different stars. |
| Language | English |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | Berlin, Germany |
| Origin coordinates | 52.52, 13.405 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel2886
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA5372 | Schumacher; Heinrich Christian (1780 - 1850) | 1780 - 1850 |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |