Optical Zograscopio, 1880 Height 54 cm, lovely wooden case with turning foot wooden wormholes, lens diameter 13 cm, a tool for restoration. popular collection and exhibition piece about the early history of optical effects and illusions. Artefact or simple box, usually wooden, equipped with lens and into which small format prints were ready. The model could vary in dimensions, your binoculars or monocular options and in fact stay inside several views that automatically advanced, with the combination of simple and stereoscopic views or with the addition of various types of lighting inside the apparatus. Originally from Britain, zoograscopio, also known as a reflector plotter and optical viewfinder, had its most widespread in the late eighteenth century and nineteenth century. it is