The Camera Lucida (ital. = bright chamber) is a drawing instrument consisting of an optical prism or a glass
pane in connection with a mirror, which are mounted on a holding device. This device was invented in 1807 by William Hyde Wollaston and largely replaced the Camera Obscura.
The object to be drawn is aimed at through the prism. A projection of the object, visible only to the observer, appears directly on the paper, which one only needs to trace.
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