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COMPOUND MONOCULAR MICROSCOPE (Polarized Light Accessories)

RETAILER: DOLLLOND

MAKER (ATTRIB):HUGH POWELL

c. 1840

SIGNED: 'DOLLOND, LONDON'

COLLECTION OF: Dr Jurriaan de Groot

Dollond(Powell) microscope

pole prismsThe polarized light accessories consist of an understage polarizer(above left) and a nosepiece analyzer(above right), the latter screwing in between the nosepiece and the objective. Both use calcite prisms.