Brewster stereoscope, “UNIS FRANCE STEREOSCOPES PARIS 76/3”, c. 1890. Wooden shell with bakelite and metal parts, along with a frosted white glass panel. It was made to hold glass stereo slides (60x130mm format). Holds a knob on the side which allows the viewer to focus. The mechanical parts seem to be functionable, the lenses need to be clean, but without scratches, and the mirror on the inside is in good condition.