Chambre Claire Universelle by P. BERVILLE
Chambre Claire Universelle by P. BERVILLE. Also known as a Camera Lucida.
This instrument was used a drawing aid, enabling artists to draw perfect perspectives from nature. Finely plated nickel on brass with 3 extensions, the last having a rack and pinion focusing mechanism. Twelve small lenses of varying focal length (6 concave and 6 convex) each engraved with a different number. Red velvet and silk lined case, signed P. Berville.