Opticks

by Isaac Newton

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