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Claude glass.

Additional Title(s):

Claude mirror

Great Britain, ca. [1900?]
Physical Description:
1 Claude glass : dark-tinted mirror, in beech plywood box ; 10 x 12 x 3 cm
Rare Books and Manuscripts
ND1505 .C88 1900 Flat
Yale Center for British Art, Paul Mellon Fund
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Copyright Status:
Copyright Not Evaluated
Three-Dimensional Artifacts
A Claude glass (or Claude Lorrain glass) is a small dark-tinted mirror, slightly convex in shape, usually mounted in a velvet-lined carrying case. "Its effect [is] to convey a relatively wide-angled view on to a small-scale surface ... Its tonal effect is to reduce glare at the top end of the scale ... and thus to allow the subtlety of the middle tones to emerge" (Kemp). "It has the effect of abstracting the subject reflected in it from its surroundings, reducing and simplifying the colour and tonal range of scenes and scenery to give them a painterly quality, similar in appearance to the work of Claude Lorrain, hence its name" (Harvey). The device was popular with 17th and 18th century artists, travelers, and amateurs of landscape painting.
Arnaud Maillet (in The Claude glass, 2004) argues that the device is more aptly termed a Claude mirror, to differentiate it from the tinted translucent glass filters (of the same period) that might more rightly be called Claude glasses.
The interior of the present Claude glass is embedded in the inside of a box made of beech plywood, with sliding lid.
Autographed on the back, in a 20th-century hand: Beryl Maas.
Restricted fragile material. Use requires permission of the Curator of Rare Books and Manuscripts.
Kemp, M. Science of art, p. 199
Harvey, J.C. "Claude glass." Grove Art Online. Oxford Art Online.
Maillet, A. Claude glass.
Subject Terms:
Artists' tools.
Landscape painting -- Technique.
Maas, Beryl.
Painting -- Technique.
Reflection (Optics)
Claude glasses.
Claude mirrors.

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