Physical optics, or The nature and properties of light

angle of incidence angular aperture aperture asymptote biaxal crystals bisecting calc spar caustic circularly polarized light colours cos² ß cos³ curves dark diffraction distance edge elliptically polarized emergent ray entering the eye equal equation experiments extraordinary ray figure formula glass hyperbola incident light incident ray integer intensity interference luminiferous molecule luminiferous surface maxima nearly Newton's rings object-glass optic axes ordinary ray original polarization outer sheet parallel parallelogram plane of analyzation plane of incidence plane of original plane of polarization plane of xz plane SAB plate principal plane PROP quartz rays polarized reflected light reflecting surface reflexion refracted ray refractive index retardation right angles rings shewn sin² ß speculum metal spherical surface ß cos² ß sin² traversing the axis Treatise u² cos² undulatory theory uniaxal crystals values velocity whilst μ² μα Мох