| Reference number | RBO/6/81 |
| Alternative reference number | RBO.6.259 |
| Level | Item |
| Title | 'Dr Slare Experiments made on the Mineral Kobalt in Order to the discovering the Nature of Zaffer' |
| Date | 15 July 1685 |
| Description | Details about the specimens of minerals (Cobalt and 'minera Argenti'), which had been sent to Slare by the physician to the Duke of Zell
Details of the method used by the Germans to disguise the nature of 'zaffera'
Read to the Royal Society on 15 July 1685 |
| Language | English |
| Extent | 4 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related records in the catalogue | CLP/11i/35 |
Fellows associated with this archive
| Code | Name | Dates |
| NA4607 | Slare; Frederick (c1647 - 1727); chemist and physician | c1647 - 1727 |