| RefNo | HS/11/94 |
| Level | Item |
| Title | Letter, from Adolph Theodor Kupffer to Sir John Herschel, dated at St. Petersburg |
| Creator | Adolph Theodor Kupffer |
| Recipient | John Frederick William Herschel |
| Date | 13 September 1840 |
| Description | Autograph letter signed by sender. Sending the fourth volume of the magnetic observations; comments on these. |
| Language | French |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | St. Petersburg, Russia |
| Origin coordinates | 59.9375, 30.308611 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel11205
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