Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of LightWilliam and John Innys, 1721 - 382 pages |
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Common terms and phrases
alfo alſo Angle Angles of Incidence appear Aqua fortis arife becauſe blue Bodies breadth caft caufe cauſe Circles colour'd compofed compound confequence Cryſtal dark denfity Diameters diftinct diſtance equal Experiment fame farther fecond feem fenfible feven feveral fhall fide firft firſt Fits of eafy fmall fome fometimes forts of Rays frangible Fringes ftance fucceffively fuch fuppofe Glaffes Glafs Glaſs greateſt green hole Image Inch increaſed indigo leaft refrangible leaſt lefs Lens leſs Lines lours meaſured Medium mixture moft moſt Motion muſt Obfervation oblique Opticks orange paffing Paper parallel Particles paſs perpendicular Plane Plates pofition Prifm Priſm Propofition proportion Rays of Light reafon reflected Reflexion Refra refrangible Rays reft reprefent Rings Shadow Sine of Incidence Sine of Refraction Spectrum Speculum Subſtances Sun's Light Surface Teleſcopes thefe ther theſe thickneſs thofe thofe Colours thoſe tranfmitted tranfparent uſe violet Water whofe yellow