Set of 12 Nicol prisms in case by E. Lutz, Paris, c. 1876. Set of 12 Nicol prisms in case by E. Lutz 1870-1876
Selection of six Nicol prisms (cemented composite crystal of Iceland spar - calcite), unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. Six Nicol prism polarisers 1900-1936
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 Differential ratio polariscope by Negretti and Zambra, with rotating prism
1 P & L goniometer eyepiece, 1 P & L Filar micrometer eyepiece, 1 P & L coverglass micrometer, 1 P & L substage condenser, 1 P & L Nicol prism, 1 Zeiss Browning eyepiece spectroscope, 1 set Leitz objective changers Microscope accessories by Zeiss, Powell & Lealand, and Leitz
Monocular "jug-handle" microscope with, mechanical stage and fine focusing, with various accessories, including 4 objectives, 3 objective changers, 4 eyepieces, micrometer and goniometer eyepieces, analyser and polariser, 2 nicol prisms, constant temperature bath, once owned by W.M. Bayliss, by Zeiss, German, 1900-1910 Monocular "jug-handle" microscope with 1900-1910