| RefNo | AP/60/19/2 |
| Level | Item |
| Title | Unpublished diagrams, 'Representing the joint of the two hydrants' by Nicholas [Nikolai] Wagner |
| Creator | Wagner; Nikolai (1829-1907); Russian zoologist; editor |
| Date | 1879 |
| Description | Four diagrams in black ink, labelled A-D, showing hydrants and tentacles.
Subject: Biology |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |