| Reference number | RBO/11/38 |
| Alternative reference number | RBO.11.159 |
| Level | Item |
| Title | 'Observations of the Variation of the compass in the Western and Atlantick Ocean made in the Year 1706 on board the Dartmouth Man of War By Mr John Maxwell' |
| Date | 1721 |
| Description | Read to the Royal Society on 16 November 1721 |
| Language | English |
| Extent | 2 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | CLP/9ii/14 |