![](https://coimages.sciencemuseumgroup.org.uk/61/575/large_thumbnail_1983_0478__0002_.jpg)
Semi-circular concave mirror in stainless steel
- maker:
- Philip Harris Ltd
![Semi-circular concave mirror in stainless steel](https://coimages.sciencemuseumgroup.org.uk/390/902/medium_smg00156412.jpg)
Semi-circular concave mirror in stainless steel, for demonstrating the caustic curve produced by reflection
Semi-circular concave mirror in stainless steel, for demonstrating the caustic curve produced by reflection