Base and Mirror of Drum Type Compound Microscope, German

Polished wood microscope base, with a plane mirror housed in a wooden cell with a square cross section. Its angle is adjusted by wooden disks on either side (one of which is missing). Above the level of the mirror are slots to hold sliders and at the top of the cell the optical components are mounted. At the top is a pasteboard tube covered with decorated paper, which accommodates pasteboard body tubes.