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The American-style compound microscope is made from brass. The monocular microscope stands on a tripod stand which is connected to the pillar. The pillar is split into two by an inclination joint which allows the microscope to be angled for observation. The circular stage is fixed and has a rotatable iris diaphragm with apertures located beneath it. The sub-stage concave mirror is fitted into a gimbal which allows it to be angled to catch the light. Coarse focusing functions via rack and pinion controlled by two thumbscrews on either side of the body-tube. Fine focusing is controlled by a small thumbscrew located at the top of the pillar. The fitted wooden case has a small interior drawer and compartments to hold four ocular lenses. The case also has a lock and key that are still functional.
