| RefNo | AP/64/4/2 |
| Level | Item |
| Title | Unpublished diagram, 'Diagram curve of Vesuvian activity showing the relationship to certain astronomical and meteorological phenomena' by Henry James Johnston-Lavis |
| Creator | Johnston-Lavis; Henry James (1856-1914); British physician; geologist |
| Date | 1884 |
| Description | A graph in coloured ink which plots the position of the moon against the cloud cap activity of Vesuvius, the maxima and minima of the barometer, rainfall and date.
Subject: Meteorology / Astronomy / Vulcanology |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |