| RefNo | CLP/11i/27 |
| Level | Item |
| Title | Paper, 'Of some calcinations' by Mr Ballard |
| Date | [1684] |
| Description | Paper by Ballard regarding recent calcinations by Dr Plott [Robert Plot], including a calcined rosemary stone and a calculus taken out of the bladder of a hog which were found to have magnetic properties. Plott performed his experiments with sea coal, which Ballard suspected caused the magnetism. Ballard repeated the experiment with charcoal and found no magnetic properties.
Subject: Chemistry
Read to the Royal Society on 15 February 1684. |
| Extent | 4p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | RBO/8/40 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA7670 | Plot; Robert (1640 - 1696); naturalist and antiquary | 1640 - 1696 |