Stereoscope on turned wood stand
Dark Mahogany Stereoscope on turned wood stand. Of the type made by Jules Duboscq from 1855 on. The prismatic lenses slide in and out for focusing, and have interocular adjustment. The flap to let in the light has a silver foil reflector, now turned black. Decorative frame around the ground glass screen.
Stéréoscope sur pieds en bois tourné