| RefNo | AP/42/8/2 |
| Level | Item |
| Title | Unpublished diagram, experimental apparatus by Horace Dobell |
| Creator | Dobell; Horace Benge (1828-1917); English doctor; medical writer |
| Date | December 1858 |
| Description | A figure in black ink showing the apparatus created by Dobell for his experiments on tadpoles. A small box filled with water contains six cells, each of which is to be supplied with a different colour of light.
Subject: Scientific apparatus and instruments |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |