HumanitiesWeb.org - Glossary definition: Camera Lucida
Camera Lucida
(from Latin, meaning 'lighted room')

A device much like an opaque projector, which replaced it, using a prism and mirrors to project the image of an external object onto a flat surface so that its image may be traced. Replacing the camera obscura, it was invented in the seventeenth century, but not widely used until the nineteenth.

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