STEREO VIEWER, France, early 20th century, mostly walnut, glass plates 44/107 mm. Wooden box with eyepieces that can be moved horizontally, ground glass screen at the rear and rotary lever on the side for changing the stereo image plates. HxWxD: 52/29/25 cm. Signs of age and wear, mechanics functional in a short test. Enclosed magazines with a large number of stereoscopic plates, mostly holiday photos of the Italian Alps (a few cracked).