| RefNo | AP/42/2/7 |
| Level | Item |
| Title | Unpublished figure, bladder or rubber membrane by Somerville Scott Alison |
| Creator | Alison; Somerville Scott (1813-1877); Scottish physician |
| Date | 1859 |
| Description | An illustration showing a bladder or rubber membrane to be filled with water as part of Alison's experiments on sound.
Subject: Scientific apparatus and instruments |
| Extent | 1p |
| Format | Drawing |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |