differential ratio polariscope by Negretti and Zam

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
taxonomy:
  • furnishing and equipment
  • tools & equipment
  • optical instrument
  • optical instrument component
  • optical filter
  • polarizer
credit:
J.C. Stevens (Auction Sales)

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