![Concave Thorp grating for diffraction](https://coimages.sciencemuseumgroup.org.uk/320/660/large_smg00032221.jpg)
Concave Thorp grating for diffraction
Concave Thorp grating (prepared by T. Thorp himself)
- Measurements:
-
overall: 6 mm x x , 76 mm, .065kg
- Materials:
- glass and celluloid (cellulose)
- Object Number:
- 1935-153 Pt1
- Image ©
- The Board of Trustees of the Science Museum