| RefNo | AP/42/2/6 |
| Level | Item |
| Title | Unpublished figure, sound travelling through a dish filled with water by Somerville Scott Alison |
| Creator | Alison; Somerville Scott (1813-1877); Scottish physician |
| Date | 1859 |
| Description | An illustration showing a man using a hearing-tube to listen to sound travelling through a dish filled with water placed at a slanted angle on a wooden table. Labels indicate that sound can be heard through the hearing-tube at the side of the dish where the water has pooled, but no sound can be heard through the other side of the dish.
Subject: Physics |
| Extent | 1p |
| Format | Drawing |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |