This beautiful black enameled microscope is autographed "E. Leitz, Wetzlar", and was made in 1899 to serve as an all-purpose laboratory microscope.

The base is a tripod with a sweeping curved limb that supports both the stage and the binocular body tube, which is attached to the limb with a rack controlled by a knurled knob. The body tube is divided into two individual Greenough stereoscopic tubes, each containing an objective and an eyepiece to produce the stereo effect. Focus is achieved by moving the body tubes up and down on the rack with respect to the fixed vulcanite stage. Spring clips on the stage serve to hold the specimen in place. There is no substage condenser, although there is a rotating disc with a series of diaphragms, and the illumination bi-concave mirror is mounted on a small limb beneath the stage.

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