Differential ratio polariscope by Negretti and Zambra
- Object Number:
- 1920-779 Pt1
- type:
- polarizer and nicol prism
Differential ratio polariscope by Negretti and Zambra, with rotating prism
- Made:
- London
differential ratio polariscope by Negretti and Zambra, London, type devised by J. J. Field in 1869. fitted with a large Nicol prism 1 1/4"x2 1/2", with analysing prism and descriptive pamphlet
Details
- Category:
- Optics
- Object Number:
- 1920-779
- type:
- polarizer and nicol prism
- credit:
- J.C. Stevens (Auction Sales)
Parts
Rotating prism in brass box for differential ratio polariscope
- Object Number:
- 1920-779 Pt2
- type:
- polariscope
