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Inventory no. 45664 - Former Display Label

English COMPOUND MICROSCOPE
c.1790

Signed on the stage "ADAMS, LONDON". A 'Universal Compound' microscope made by George Adams the younger. The supporting pillar is fixed at the bottom to a folding tripod and at the top a compass joint holds the limb. Focusing is by rackwork on the stage. Below the stage and sliding on the limb are a concave mirror and a condensing lens. At the top of the limb is the arm which supports either the compound body tube or a single lens. This arm is fitted with rackwork to provide an aquatic movement. The black silk eye shade is missing. The mahogany case contains a full set of accessories. The optics of this microscope are interesting in that there is in addition to the objective a field lens and a three-lens eyepiece.

[c 659]
Clay Collection

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