megalethoscopes

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Scope note
Apparatuses invented by Carlo Ponti of Venice ca. 1870, for viewing large albumen photographs on thin paper, using a large lens to create the optical illusion of depth and perspective and having candles or kerosene lamps as a source of light. The photographs themselves were translucent, often colored and pierced with pinprick holes to create dramatic visual effects with backlighting, such as that of lights in a night scene.
megalethoscopes
Accepted term: 27-May-2024