| RefNo | AP/34/9/4 |
| Level | Item |
| Title | Unpublished figure, 'Blue pellicle formed on the surface of a specimen of human urine' by Arthur Hill Hassall |
| Creator | Hassall; Arthur Hill (1817-1894); British physician; chemist; microscopist |
| Date | 3 December 1852 |
| Description | A figure in pencil and brown and blue ink showing 'fragments of indigo; ditto, of reddish-brown extractive-like substance; with crystals of phosphate of magnesia; vibriones; and innumerable animalcules', magnified to 220 diameters.
Subject: Biology / Microbiology |
| Extent | 1p |
| Format | Drawing |
| PhysicalDescription | Ink and graphite pencil on paper |
| AccessStatus | Open |