File:EB1911 Vision - Colour Disk of Sir Isaac Newton.jpg
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Summary
| Description |
English: Various methods have been adopted for studying the effect of mixing colours. Rotating Disks which quickly superpose on the same Area of Retina the Impressions of Different Wave-lengths (Newton).—Such disks may be constructed of cardboard, on which coloured sectors are painted, as shown in figure, representing diagrammatically the arrangement of Sir Isaac Newton. See below for angles of the sectors given by him. With sectors of such a size, white will be produced on rotating the disk rapidly. |
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| Date | published 1911 | |||
| Source | “Vision,” Encyclopædia Britannica (11th ed.), v. 28, 1911, p. 138, fig. 20. | |||
| Author | Unknown artist | |||
| Permission (Reusing this file) |
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English: Newton's sector angles:
| Red | 60° 45.5′ |
| Orange | 34° 10.5′ |
| Yellow | 54° 41′ |
| Green | 60° 45.5′ |
| Blue | 54° 41′ |
| Indigo | 34° 10.5′ |
| Violet | 60° 45.5′ |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:09, 6 September 2021 | | 547 × 543 (105 KB) | Bob Burkhardt | {{Information |description = {{en|1=Various methods have been adopted for studying the effect of mixing colours. ''Rotating Disks which quickly superpose on the same Area of Retina the Impressions of Different Wave-lengths'' (Newton).—Such disks may be constructed of cardboard, on which coloured sectors are painted, as shown in figure, representing diagrammatically the arrangement of Sir Isaac Newton. See below for angles of the sectors given by him. }} |date = {{Date context|published... |
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