| Reference number | MS/257/2/279 |
| Alternative reference number | Sa.661 |
| Previous numbers | ES2/52/661 |
| Level | Item |
| Title | First half of letter from John Frederick William Herschel, Collingwood to Edward Sabine |
| Date | 10 March 1850 |
| Description | Herschel thanks [Francis] Ronalds for supply of paper. Refers to Sabine’s discovery about the direction of change in the earth's magnetism, the link to the northern and southern hemispheres, and relates it to suns and other electric currents. Discusses the pressure of an electrical current and developing magnetic forces. In the suns light discusses auroras. Refers to [Heinrich Wilhelm] Dove’s remarks on the globe, ‘superficial temperature and the magnetic force’. Reference to ‘atmospheric electricity’.
[This letter is continued in MS/257/2/280]. |
| Extent | 4p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |
| Related records in the catalogue | MS/257/2/280 |
| URL description | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel3468 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |