Opticks: Or, a Treatise of the Reflections, Refractions, Inflexions and Colours of Light

æquales æquatio alfo alſo Angle Angle of Incidence appear beam becauſe blue Bodies breadth Bubble caft cafu caufe cauſe Circles compounded copiouſly crura cujus Curva Curvæ Curvarum dark defcribed denfity Diameter diftinct diſtance duæ ejus equal erit Experiment fame fecond fecundi feemed feveral fhadow fhall fide figura firft firſt fluxiones fome fometimes forts of rays fpecies fringes fubftances fucceffively fuch funt furface Glaffes Glafs Glaſs greateſt green hæc hole Hyperbola Image Inch increaſed intervals Knives leaft refrangible lefs Lens leſs Lines lours meaſured mixture moft moſt refrangible muſt Obfervations obliquely Opticks orange paffing Paper Parabola plate poffunt poliſhed Prifin Prifm Priſm PROP Propofition proportion quæ reaſon recta reflected reflexion refracted refrangible rays reft repreſent ſeveral ſhall Sine of Incidence ſpace Spectrum Speculum Sun's Light Teleſcopes thefe theſe thickneſs thofe thoſe tranfmitted tranſparent uſed violet whofe yellow