Gilles Stereoscopic room. Mahogany construction, size 9x18 cm. The two bodies are joined by a bellows burgundy leather with square corners. Focusing is performed by a knob acting via racks and pinions on movement of the rear body. Guillotine shutter black lacquered metal (instant and pose) supported on a removable plate. Turreted circular diaphragms. Possibility of vertical displacement.