Metallic convex-cylindrical mirror and anamorphosese

INDEX 1788 : Y.IV.382

Speculum metalicum cylindrico-convexum cum 13 figuris deformibus in charta crassa pictis.

Metallic cylinder-convex mirror with 13 distorted figures painted on thick paper.

A metalic mirror mounted on a black wooden cylinder, which allows for the observation of distorted engravings painted on card. The mirror is in a semi-cylindrical shape, made of a thick sheet of glossy steel which is adjusted on the wooden cylinder.

A non-distorted image of the anamorphosis may be observed by placing the cylinder in the correct place on the engraving.

From Colégio dos Nobres, catalogue n.o 375.

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