| RefNo | AP/52/2/2 |
| Level | Item |
| Title | Unpublished figure, 'Six's thermometer' by John Edward Davis |
| Creator | Davis; John Edward (1815-1877); British hydrographer; Royal Navy officer |
| Date | 1869 |
| Description | A scale figure in black and red ink showing Six's thermometer [maximum and minimum thermometer] with its parts labelled a-i.
Subject: Scientific apparatus and instruments |
| Extent | 1p |
| Format | Drawing |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |