Archivo:Newton's colour circle.png
Resumen
| Descripción |
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. |
| Fecha | |
| Fuente | 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. |
| Autor | Isaac Newton |
Licencia
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Este material está en dominio público en los demás países donde el derecho de autor se extiende por 100 años (o menos) tras la muerte del autor.  También debes incluir una etiqueta de dominio público de los Estados Unidos para indicar por qué esta obra está en el dominio público en los Estados Unidos.
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| Esta obra ha sido identificada como libre de las restricciones conocidas en virtud del derecho de autor, incluyendo todos los derechos conexos. | |
Registro original de carga
- 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)
Historial del archivo
Haz clic sobre una fecha y hora para ver el archivo tal como apareció en ese momento.
| Fecha y hora | Miniatura | Dimensiones | Usuario | Comentario | |
|---|---|---|---|---|---|
| actual | 04:03 29 oct 2019 | | 400 × 385 (66 kB) | wikimediacommons>Sam Van Kooten | Replaced with a higher-quality version taken from the Project Gutenberg eBook of the 1730 4th-edition printing of Opticks. |
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