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- Charles Ponti Megalethoscope, 1862 - Invented by Carlo Ponti in the early 1860s, a megalethoscope is a device used to view a translucent, multilayered photograph. By opening or closing various panels, a person saw the image change. When lit from behind, pinpricks and paint or colored tissue applied to the back or a secondary layer of the photograph transform the scene to reveal hidden images and create an illusion of nighttime.
- 1862
- Collections - Artifact
Charles Ponti Megalethoscope, 1862
Invented by Carlo Ponti in the early 1860s, a megalethoscope is a device used to view a translucent, multilayered photograph. By opening or closing various panels, a person saw the image change. When lit from behind, pinpricks and paint or colored tissue applied to the back or a secondary layer of the photograph transform the scene to reveal hidden images and create an illusion of nighttime.