| Reference number | RBO/13/30 |
| Alternative reference number | RBO.13.63 |
| Level | Item |
| Title | Rules for finding the number of impossible roots in equations from Mr Campbell at Edinburgh |
| Date | 1728 |
| Description | Contains a demonstration of Newton's rule in algebra for finding the number of impossible roots in equations with improvements
Read to the Royal Society on 28 March 1728 |
| Language | English |
| Extent | 10 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | JBO.14.203 |
| Related records in the catalogue | CLP/1/10 |