| Reference number | CLP/8ii/33 |
| Level | Item |
| Title | Letter, regarding an invention to find latitude mechanically from Andrew Reid to John Machin |
| Date | 1731 |
| Description | Reid presents details of the workings of his invention to find latitude mechanically, which he used when sailing from England to China. Includes a geometrical diagram.
Subject: Astronomy / Navigation / Scientific apparatus and instruments
Read to the Royal Society on 23 December 1731 |
| Language | English |
| Extent | 5p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related records in the catalogue | RBO/16/36 |
Fellows associated with this archive
| Code | Name | Dates |
| NA7786 | Machin; John (- 1751) | - 1751 |