| Reference number | MM/17/47 |
| Level | Item |
| Title | Letter from John H Wilkinson to Herbert Rix, Assistant Secretary, Royal Society |
| Date | 13 June 1895 |
| Description | Forwarding a photograph of a monument erected in Unst, Shetland, to mark the place where a clock and pendulum was placed by Jean Baptiste Biot and a "repeating circle" placed by Henry Kater, "to determine by their experiments and observations the figure of the Earth". |
| Extent | 2 sides |
| Format | Manuscript and photographic documents |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA3671 | Biot; Jean Baptiste (1774 - 1862); astronomer, mathematician and physicist | 1774 - 1862 |
| NA1206 | Kater; Henry (1777 - 1835) | 1777 - 1835 |