Download A History of Color: The Evolution of Theories of Lights and by Robert A. Crone PDF

By Robert A. Crone

This is the 1st entire textual content at the background of colour theories when you consider that Halbertsma's e-book of 1947. colour is mentioned in shut reference to the evolution of rules of sunshine and imaginative and prescient. The publication has chapters at the historical Greek rules of imaginative and prescient and colour; at the contributions of Arabic technology; at the clinical Revolution from Kepler to Newton; at the early background of the three-color speculation; at the trichromatic concept and faulty colour imaginative and prescient; and on Goethe's, Schopenhauer's and Hering's theories. New knowing of the constitution and services of the retina and the mind eventually leads to the fashionable technological know-how of colour imaginative and prescient.
A background of Color has been written for ophthalmologists, optometrists and others who're attracted to visible technological know-how and its background. The booklet calls for no really expert knowledge.

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Additional resources for A History of Color: The Evolution of Theories of Lights and Color

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This point of view makes Descartes the most important representative of rationalism. Descartes' view of nature is dualistic, because he makes a sharp distinction between body and mind. The essence of the mind is thinking: cogitatio: the essence of matter is magnitude: extensio. Space is a plenum, completely filled with material particles of various shapes and sizes. Man alone has selfconsciousness and amind. The inanimate nature and lower forms of life obey the laws of mechanics. The basis of everything that happens in nature is movement of particles.

Paracelsus (1493-1541), a Swiss doctor, breaks symbolically with the accepted peripatetic doctrine by burning the books of Galen and Avicenna. His ideas are based on occult, hermetic theories and a1chemy. In all substances he identifies the 'sophic' principles: Mercury (active, spiritual, volatile) and Sulfur (inflammable and incendiary). To these he adds Salt (passive and physical, transmuting to ash). In contrast to the Platonists, Paracelsus is antimathematical. He says of Ptolemy that he made too many ca1culations, 'because ca1culations are not necessary for the greatest secret of astronomy, nor even reading and writing'.

At first Kepler's theory of vision did not receive much attention. His theory of the inverted retinal image seemed instinctively wrong and was not in agreement with classical texts. One of Kepler's early supporters was the scholarly Jesuit Christoph Scheiner (1575-1650), professor of mathematics 48 .. \ \ : ' a/ '. ß J . 9. The action of concave and convex spectacle lenses (Kepler, 1604). and astronomy at lngolstadt and writer of the book Oculus: hoc est fundamentum opticum. (1619). He had seen in Rome how the opaque coats were dissected from the back of ox's eyes so that the inverted retinal image became visible.

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