Nicol polarizing prism
1871-1900
Nicol prism, in cylindrical brass mount
1870
Petrographical microscope
Large projection polariscope in three mahogany cabinets
1875-1880
Polarising microscope condenser lens assembly and polarising eyepiece with circular scale
Mrs Spottiswoode's pocket polariscope
Pair of nicol prisms fitted on single bone-handled mount one of the prisms being rotatable
1875-1924
Compound monocular microscope in case (lacks handle)
1851-1900
Eleven Nicol prisms from set of 12, in case
1876
Nicol prism polariser
1900-1936
Nicol prism polariser
1900-1936
Nicol prism polariser
1900-1936
Nicol Prism by Edouard Lutz, Paris, 1876
1870-1876
Differential ratio polariscope by Negretti and Zambra
Nicol prism polariser
1900-1936
Nicol prism polariser
1900-1936
Nicol prism polariser
1900-1936
Six Nicol prism polarisers
1900-1936
Monocular "jug-handle" microscope with
1900-1910
Differential ratio polariscope by Negretti and Zambra, with rotating prism
Set of 12 Nicol prisms in case by E. Lutz
1870-1876
Polarising Prism
1895-1905