The Project Gutenberg EBook of Opticks, by Isaac Newton
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Title: Opticks
or, a Treatise of the Reflections, Refractions, Inflections,
and Colours of Light
Author: Isaac Newton
Release Date: August 23, 2010 [EBook #33504]
Language: English
Character set encoding: ASCII
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OPTICKS:
OR, A
TREATISE
OF THE
_Reflections_, _Refractions_,
_Inflections_ and _Colours_
OF
LIGHT.
_The_ FOURTH EDITION, _corrected_.
By Sir _ISAAC NEWTON_, Knt.
LONDON:
Printed for WILLIAM INNYS at the West-End of St. _Paul's_. MDCCXXX.
TITLE PAGE OF THE 1730 EDITION
SIR ISAAC NEWTON'S ADVERTISEMENTS
Advertisement I
_Part of the ensuing Discourse about Light was written at the Desire of
some Gentlemen of the_ Royal-Society, _in the Year 1675, and then sent
to their Secretary, and read at their Meetings, and the rest was added
about twelve Years after to complete the Theory; except the third Book,
and the last Proposition of the Second, which were since put together
out of scatter'd Papers. To avoid being engaged in Disputes about these
Matters, I have hitherto delayed the printing, and should still have
delayed it, had not the Importunity of Friends prevailed upon me. If any
other Papers writ on this Subject are got out of my Hands they are
imperfect, and were perhaps written before I had tried all the
Experiments here set down, and fully satisfied my self about the Laws of
Refractions and Composition of Colours. I have here publish'd what I
think proper to come abroad, wishing that it may not be translated into
another Language without my Consent._
_The Crowns of Colours, which sometimes appear about the Sun and Moon, I
have endeavoured to give an Account of; but for want of sufficient
Observations leave that Matter to be farther examined. The Subject of
the Third Book I have also left imperfect, not having tried all the
Experiments which I intended when I was about these Matters, nor
repeated some of those which I did try,
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