![](https://coimages.sciencemuseumgroup.org.uk/375/636/large_thumbnail_1928_0920__0001_.jpg)
Biot type prism, in brass mount
- Made:
- circa 1872 in London
- maker:
- William Ladd
![Biot type prism in cylindrical brass mount](https://coimages.sciencemuseumgroup.org.uk/387/81/medium_smg00085544.jpg)
Biot type prism in cylindrical brass mount, made by William Ladd, London, England, 1870-1872
Details
- Category:
- Optics
- Object Number:
- 1872-28
- Materials:
- brass, glass and wood (unidentified)
- Measurements:
-
overall: 105 mm 51 mm, .482kg
- type:
- liquid prism
- credit:
- Ladd, W.