| RefNo | HS/8/77 | 
| Level | Item | 
| Title | Letter, from Carl Friedrich Gauss to Sir John Herschel, dated at Göttingen | 
| Creator | Karl Friedrich Gauss | 
| Recipient | John Frederick William Herschel | 
| Date | 7 May 1839 | 
| Description | Autograph letter signed by sender. Sends two copies of his own General Theory of Terrestrial Magnetism, one for John Frederick William Herschel and one for the Royal Society [of London] | 
| Language | English | 
| Extent | 1p | 
| Format | Manuscript | 
| Place origin | Göttingen, Germany | 
| Origin coordinates | 51.533889, 9.935556 | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| URLDescription | Also available on Epsilon | 
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel9730
 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8223 | Gauss; Karl Friedrich (1777 - 1855) | 1777 - 1855 | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |