Compound and Simple Microscope in Case with Accessories, by Banks, London, c. 1811-1820

Compound and Simple Microscope, by Banks. The instrument stands on a flat, folding tripod foot. The square sectioned limb is attached to the turned pillar by a compass joint. The square stage has a bracket to hold specimens and three pinholes for accessories. A condensing lens and Plano-concave mirror are mounted on sliding sleeves on the limb below the stage. An arm is set in a rack and pinion on a swivelling mount at the top of the limb. The body screws to the arm and objectives screw beneath it.

The instrument is stored in a fitted mahogany case, which also holds the following accessories: The case is mahogany. The accessories it holds are Eight objectives, two with removable caps; five Lieberkühn; a cone condenser; a lens in a copper alloy brass setting; two stage forceps; two a wet cells, an ivory disk, a fishplate, an accessory arm, a copper alloy threaded ring and a stage with three apertures.