| Reference number | AP/13/13 |
| Level | File |
| Title | Unpublished paper and letter, 'On the importance of an expedition to determine the exact position of the NW [northwest] magnetic pole' by Colonel [John] Macdonald |
| Date | March 1828 |
| Description | Macdonald writes about the importance of discovering the present position of the northwest pole, or moving magnetic power, and writes about planning considerations for the expedition party. Preceded by a covering letter from Macdonald to Sir Humphry Davy.
Subject: Geodesy
Written by Macdonald in Summerlands, Exeter [Devon, England]. Communicated by Sir Humphry Davy. |
| Extent | 20p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related records in the catalogue | AP/13/13/1 |
| AP/13/13/2 |
| AP/13/13/3 |
| AP/13/13/4 |
Fellows associated with this archive
| Code | Name | Dates |
| NA8200 | Davy; Sir; Humphry (1778 - 1829); chemist | 1778 - 1829 |
| NA3036 | Macdonald; John (1759 - 1831) | 1759 - 1831 |