Camera obscura: alternatives and connections

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Camera obscura

An apparatus in which the images of external objects, formed by a convex lens or a concave mirror, are thrown on a paper or other white surface placed in the focus of the lens or mirror within a darkened chamber, or box, so that the outlines may be traced.

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Chamber 76% connected

A retired room, esp. an upper room used for sleeping; a bedroom; as, the house had four chambers.

oewn 2023 0% interchangeable

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