Tabula scalata

Known since at least the end of the 16th century, Tabula scalata is a type of painting with two images divided over a corrugated surface. Each image is only correctly visible from a certain angle. If the pictures are matched properly, a primitive type of morphing effect occurs when changing from one viewing angle to the other.

Mechanical transformations

Around 1790 French shadow play showman François Dominique Séraphin

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