File:Tartan Ribbon.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:47, 3 January 2017		1,100 × 900 (420 KB)	127.0.0.1 (talk)	Tartan Ribbon, photograph taken by <a href="//commons.wikimedia.org/wiki/James_Clerk_Maxwell" title="James Clerk Maxwell">James Clerk Maxwell</a> in 1861. Considered the first durable colour photographic image, and the very first made by the three-colour method Maxwell first suggested in 1855. Maxwell had the photographer Thomas Sutton photograph a tartan ribbon three times, each time with a different colour filter (red, green, or blue-violet) over the lens. The three photographs were developed, printed on glass, then projected onto a screen with three different projectors, each equipped with the same colour filter used to photograph it. When superimposed on the screen, the three images formed a full-colour image. Maxwell's three-colour approach underlies nearly all forms of colour photography, whether film-based, analogue video, or digital. The three photographic plates now reside in a small museum at 14 India Street, Edinburgh, the house where Maxwell was born.

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