Megalethoscope

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The megalethoscope is an optical apparatus in which photographs are viewed through a large lens giving the impression of depth and perspective. An internal light source, a system of opening doors and photographs coloured and pierced to let through light could create dramatic effects. The megalethoscope was designed by Carlo Ponti of Venice circa 1870. It is often confused with the stereoscope which was of entirely different design and purpose. Ponti produced specially prepared photographs for use in the Megalethoscope.

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