Opticks : or, A treatise of the reflections, refractions, inflections and colours of light (1730)
Newton, Isaac, Sir, 1642-1727 · London : Printed for William Innys at the West-End of St. Paul's · leaf 227
orld are de-rived, not from any phyfical Change caufed inLight by • Refradion or Reflexion, but onlyIrom the various Mixtures or Separations of|lays, by virtue of their different Refrangibility or -^ 218 O P T I C K S. or Reflexibility. And in this refped the Scicncdof Colours becomes a Speculation… … THE
Optics
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