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P. and J. Dollond.

Camera lucida.

London, early 19th century.
Physical Description:
1 camera lucida : brass ; 23 x 7 x 4 cm (unextended)
Rare Books and Manuscripts
TS513.C2 D6 Flat
Yale Center for British Art, Paul Mellon Fund
Accessible by request in the Study Room [Request]
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Copyright Status:
Copyright Information
Three-Dimensional Artifacts
"A camera lucida basically consists of a prism mounted on an adjustable stand and a drawing-board. The prism has to have one right angle, two of 67.5° and one of 135°. When the stand is adjusted so that the prism half covers the pupil of the eye, the draughtsman using it has the illusion of seeing both the object he wishes to draw, which is reflected through the prism by rays of light, and its outlines on the drawing-board. If paper is placed on the drawing-board the outlines can easily be traced off."--Oxford Art Online. See also: Kemp, Martin. The science of art (1990), pp. 200-201.
The firm of P. and J. Dollond were important manufacturers of optical and scientific instruments in the 18th and 19th centuries. The firm produced camera lucidas for William Hyde Wollaston, who patented the device in 1806. George Dollond wrote a treatise on the device in: Description of the camera lucida (London, ca. 1830).
The clamp is inscribed: "Dollond, London" and (in a rougher inscription on the reverse) "536, 1."
The device is housed within a velvet lined shagreen-covered case. The case is not original to the device.
Restricted fragile material. Use requires permission of the Curator of Rare Books and Manuscripts.
Camera lucida manufactured by the firm of P. and J. Dollond, London. The device is manufactured in brass, with telescoping arm, two diagonal supports, multi-nurled screw clamps, mounted prism, and hinged enlarging and reducing lenses.
Subject Terms:
Artists' tools -- Specimens.
P. and J. Dollond.
Optical instruments.
Image-projecting equipment.
Camera lucidas.

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