probably made in Edinburgh
This brass simple microscope was made in 1773, probably by John Clark, a jeweller, goldsmith and optical instrument maker based in Edinburgh between 1749 and 1796. He first offered microscopes, made in silver, for sale in 1749, subsequently modifying their design in 1754, and ultimately advertising a brass instrument from 1773. This example is signed and dated at the base of the pillar 'Jno Clark / Edinr 1773.'
In this pocket instrument, Clark has managed to include all the fittings and accessories found in the much more substantial microscopes used in the contemporary drawing room. The entire instrument folds up and fits into its fishskin-covered case, allowing it to be taken out (in a pocket) into the field.
Clark was the first Edinburgh instrument maker to test whether the local Lowland market could afford such items aimed at the gentleman-amateur. That examples of his instruments survive, proves that he was successful.
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