| RefNo | MC/4/371 |
| Level | Item |
| Title | Letter from Fra [Francis] Ronalds, Kew Observatory, to S H [Samuel Hunter] Christie, [Secretary of the Royal Society] |
| Date | 18 December 1850 |
| Description | Reporting the completion of the three magnetographs for the self-registering of the magnetic declinations, horizontal and vertical tone. Ronalds summarises his funds for this project and applies for a further grant of maximum £100 from the Donation Fund in order to cover the expenses of the magnetographs' trial runs. |
| Extent | 3p |
| Format | Manuscript |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA7632 | Ronalds; Sir; Francis (1788 - 1873); inventor and meteorologist | 1788 - 1873 |
| NA8168 | Christie; Samuel Hunter (1784 - 1865); mathematician | 1784 - 1865 |