![](https://coimages.sciencemuseumgroup.org.uk/4/781/medium_thumbnail_a600165.jpg)
Condenser, darkground, with iris diaphragm
Condenser, darkground, with iris diaphragm
Details
- Category:
- Microscopy (Wellcome)
- Object Number:
- 1980-1075/8
- Materials:
- lens, glass, mounting, brass and mounting, steel
- type:
- darkground condensers
- credit:
- Cowen, B.C.