|A LARGE PONTIOSCOPE ITALY CA 1860|
A very large stereographoscope made by Carlo Ponti in the 1860s. Ponti, famous for his Megalethoscope, made a few differnt models for transparent views and prints. This model is huge! Lenght ca 80 cm, height ca 80 cm! Diameter of large lens, in a rotating frame, is 27 cm.