Details
A compound microscope by Pritchard, London,
signed on the body and the foot Andrew Pritchard 162 Fleet St. London, with rack coarse focussing and nosepiece fine adjustment, mechanical and plain stages, sub-stage mirror, two eyepieces with dust covers, dividing objective, lieberkuhn, telescopic pillar stand on tripod platform base and (repaired) flat mahogany case -- 12¼in. (31cm.) wide, 2nd quarter, 19th century

Lot Essay

Andrew Pritchard is known for his work on diamond and sapphire objective lenses in the 1820s and 1830s (see Turner, G L'E: 'The Rise and Fall of the Jewel Microscope 1824-1837' (in Microscopy: The Journal of the Quekett Microscopical Club 31 (1968)), reprinted as Chapter 5 in the same author's Essays on the History of the Microscope (Oxford, Senecio, 1980).

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