Joseph Mallord William Turner

Lecture Diagram: Geometry of Standard Perspective as the Intersection of the Cone of Vision

c.1816–28

In Tate Britain

Prints and Drawings Room

View by appointment
Artist
Joseph Mallord William Turner 1775–1851
Medium
Graphite and watercolour on paper
Dimensions
Support: 480 x 600 mm
Collection
Tate
Acquisition
Accepted by the nation as part of the Turner Bequest 1856
Reference
D16971
Turner Bequest CXCV 2

Display caption

This lecture diagram shows that a perspective representation is equivalent to a tracing on a pane of glass between the artist and the object.
The artist is at a fixed point. He looks with one eye at the object (labelled BFDA). The object's perspective representation (labelled bfda) is formed where straight lines (representing rays of light) from the object to the artist's eye (E) pass through the picture (labelled OPRQ).

Gallery label, August 2004

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Catalogue entry

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