Selection of six Nicol prisms (cemented composite crystal of Iceland spar - calcite), unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936.
Rectangular Nicol prism, one of six (double cemented composite crystal of Iceland spar - calcite) in cork mount, unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. For use as a polarizer lens in a microscope.
Rectangular Nicol prism, one of six (double cemented composite crystal of Iceland spar - calcite) in cork mount, unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. For use as a polarizer lens in a microscope.
Rectangular Nicol prism, one of six (double cemented composite crystal of Iceland spar - calcite), unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. For use as a polarizer lens in a microscope.
Square Nicol prism, one of six (double cemented composite crystal of Iceland spar - calcite), unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. For use as a polarizer lens in a microscope.
Rectangular Nicol prism, one of six (double cemented composite crystal of Iceland spar - calcite) in loose cork mount, unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. For use as a polarizer lens in a microscope.
Square double Nicol prism, one of six (quadruple cemented composite crystal of Iceland spar - calcite), unsigned, supplied by James Swift and Son Limited, London, England, 1900-1936. For use as a polarizer lens in a microscope.
