Interference (Polarisation?) pattern on 'Unannealed Glass'. Unannealed glass is brittle and easily broken because it has not been brought to a proper consistency or hardness when being manufactured. One of a collection of photographs of polarisation patterns by William Crookes, 1853.
Details
- Category:
- Photographs
- Object Number:
- 1987-477/3
- type:
- photographs
- credit:
- Christie's South Kensington Limited