The base is a flat semi-circular brass plate, supported by three short tapered feet, with the limb and two large columns emerging from the flat surface. An oval stage housing is positioned at the top of the columns and has plenty of room to accommodate a wide spectrum of specimens. The back portion of the stage is supported by a large rectangular brass limb, which contains a trapeze-sectioned bar carrying the arm to which the body tube is attached. This inner bar is attached to a locking screw that controls a long vertical iron screw serving as the fine focus mechanism through a knurled wheel positioned under the base. Below the stage is a set of four apertures and a single-lens condenser that can travel up and down on a brass rod.
Light is projected into the condenser lens by means of a plano-concave mirror.
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