Berkas:Newton's colour circle.png
Newton's_colour_circle.png (400x385 piksel, agengnyané berkas: 66 KB, soroh MIME:image/png)
Ringkesan
| Déskripsi |
English: "In a mixture of primary colours, the quantity and quality of each being given, to know the colour of the compound."
Throughout Opticks, Newton compared colours in the spectrum to a run of musical notes. To this purpose, he used a Dorian mode, similar to a white-note scale on the piano, starting at D. He divided his colour wheel in musical proportions round the circumference, in the arcs from DE to CD. Each segment was given a spectral colour, starting from red at DE, through orange, yellow, green, blew [sic], indigo, to violet in CD. (The colours are commonly known as ROY G BIV.) The middle of the colours—their 'centres of gravity'—are shown by p, q, r, s, t, u, and x. The centre of the circle, at O, was presumed to be white. Newton went on to describe how a non-spectral colour, such as z, could be described by its distance from O and the corresponding spectral colour, Y. A higher resolution image of this would be nice, if someone has access to one. |
| Tanggal | |
| Wit | Opticks, 4th ed., 1730. From Book I, Part II, Proposition VI, Problem 2. This figure is nearly unchanged from that in the 1704 first-edition printing. |
| Sang anyurat | Isaac Newton |
Lisénsi
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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Log pengunggahan asli
- 2008-01-06 08:54 Dicklyon 398×394× (20319 bytes) Slightly better version
- 2006-08-12 00:01 Srleffler 0×0× (8092 bytes) Newton's colour circle, showing the colours correlated with musical notes and symbols for the known bodies within the solar system. A higher resolution image of this would be nice, if someone has access to one. (version lost by MediaWiki)
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| Tanggal/Galah | Gambar alit | Diménsi | Sang anganggé | Panampen | |
|---|---|---|---|---|---|
| mangkin | 29 Oktober 2019 11.03 | | 400 × 385 (66 KB) | Sam Van Kooten | Replaced with a higher-quality version taken from the Project Gutenberg eBook of the 1730 4th-edition printing of Opticks. |
| 23 Désémber 2018 21.11 |  | 398 × 394 (32 KB) | Qpoi9762 | I removed spots. | |
| 6 Maret 2010 00.17 |  | 398 × 394 (20 KB) | Maximkaaa | {{Information |Description={{en|1="In a mixture of primary colours, the quantity and quality of each being given, to know the colour of the compound." Throughout ''Opticks'', Newton compared colours in the spectrum to a run of musical no |
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