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2020-12-18 20:04:44
NEWTON, Sir Isaac.]
A Letter of Mr. IsaacNewton . containing his New Theory about Light and Colors: Where Light is declared to be not Similar or Homogeneal, but consisting of difform rays, some of which are more refrangible than others: And Colors are affirm'd to be not Qualifications of Light, deriv'd from Refractions of natural Bodies, .
John Martyn, London, 1672. NEWTON'S FIRST PUBLISHED PAPER - HIS THEORY OF COLOURS. First printing ofNewton's seminal discoveries on the nature of light. This is Newton's first published paper, and arguably the most important paper in the history of optics. "If he had published nothing else, it would be sufficient of itself to guarantee him a place among the immortals of modern science" (Christianson, p. 152). "When he was first appointed to the chair of Lucasian Professor at Cambridge, Newton chose optics for the subject of his lectures and researches, and before the end of 1669 he had worked out the details of his discovery of the decomposition of a ray of white light into rays of different colours by means of a prism. The complete explanation of the theory of the rainbow followed from this discovery. These discoveries formed the subject-matter of the lectures which he delivered as Lucasian professor in the years 1669, 1670 and 1671. The chief new results were embodied in a paper communicated to the Royal Society in February 1672, and subsequently published in the Philosophical Transactions [as offered here]. Before Newton, light was believed to be a homogeneous entity and color a mixture of light with darkness; the prism was itself believed to provide the darkness coloring light, and it was thought that all rays of white light striking a prism at the same angle would be equally refracted. Through his experiment, however, Newton came to the revolutionary conclusion that white light was n fact a mixture of many different types of rays, and that the prism split white light i … [Click Below for Full Description]
Bookseller: SOPHIA RARE BOOKS [Koebenhavn V, Denmark]
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