Opticks: Or, A Treatise of the Reflections, Refractions, Inflections & Colours of Light

Angle appear arise Attraction beam become blue Bodies Book breadth cause changed Circles Colours compound consequence continue Crystal dark density Diameter distance Earth easy edges emerge equal Experiment fall farther Feet Figure Fits Force four Fringes Glass greater green Hair half Heat hole illuminated Image Inch Incidence inclined increased Intervals least length Lens less Light Lines manner means measured Medium Metal middle mixing mixture Motion Nature Numbers Object obliquely Observations orange parallel Particles pass perpendicular placed Plane Plates Point Power Prism produced PROP propagated Proportion Proposition Rays Rays of Light reason reflected Reflexion Refraction refrangible Rays rest Rings round Salt seems Shadow side Sine sometimes Space Spectrum Speculum Spirit Substances successively Sun's suppose Surface thence thickness thin things third tion transmitted transparent turned violet Water yellow