![](https://coimages.sciencemuseumgroup.org.uk/4/76/medium_thumbnail_a629489.jpg)
Collection of histological slide sections in black box
![Collection of histological slide sections in black box](https://coimages.sciencemuseumgroup.org.uk/505/879/medium_smg00190405.jpg)
Collection of histological slide sections in black box, labelled "Mast cells compound 48/80", as used by H.W. Florey.
Collection of histological slide sections in black box, labelled "Mast cells compound 48/80", as used by H.W. Florey.