Search our collection

View:

Filter search

Mrs Spottiswoode's pocket polariscope

Nicol polarizing prism

1871-1900

Petrographical microscope

Polarising microscope condenser lens assembly and polarising eyepiece with circular scale

Nicol prism, in cylindrical brass mount

1870

Large projection polariscope in three mahogany cabinets

1875-1880

Compound monocular microscope in case (lacks handle)

1851-1900

Pair of nicol prisms fitted on single bone-handled mount one of the prisms being rotatable

1875-1924

Polarising Prism

1895-1905

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