
Black glass pyramidal prism
- maker:
- William Ladd

Black glass pyramidal prism, used for experiments on polarized light, on brass stand with sliding rod, by William Ladd, London, c.1872
Details
- Category:
- Optics
- Object Number:
- 1872-30
- Materials:
- glass, metal, brass (copper, zinc alloy) and lead
- Measurements:
-
overall: 545 mm x 230 mm x 115 mm, , 2.36kg
- credit:
- Ladd, W.