COMPOUND MONOCULAR MICROSCOPE (Polarized Light Accessories)
RETAILER: DOLLLOND
MAKER (ATTRIB):HUGH POWELL
c. 1840
SIGNED: 'DOLLOND, LONDON'
COLLECTION OF: Dr Jurriaan de Groot
The 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.