_PART I._
My Design in this Book is not to explain the Properties of Light by Hypotheses, but to propose and prove them by Reason and Experiments: In order to which I shall premise the following Definitions and Axioms.
_DEFINITIONS_
From Opticks: A Treatise of the Reflections, Refractions, Inflections and Colours of Light by Isaac Newton.
_PART I._
My Design in this Book is not to explain the Properties of Light by Hypotheses, but to propose and prove them by Reason and Experiments: In order to which I shall premise the following Definitions and Axioms.
_DEFINITIONS_