| Reference number | RBO/11/12 |
| Alternative reference number | RBO.11.63 |
| Level | Item |
| Title | 'Observations and Experiments on the 'Sal catharticum amarum' commonly called Epsom Salt' by John Brown, chemist |
| Date | 1723 |
| Description | Read to the Royal Society on 4 July 1723 |
| Language | English |
| Extent | 18 sides |
| Format | Manuscript |
| Access status | Open |
| Related material | Printed in 'Philosophical Transactions', vol 32 (1722), p 348 |
| Related records in the catalogue | CLP/11i/53 |